diff --git a/.htaccess b/.htaccess
index defe7f3b6c..db7778a520 100755
--- a/.htaccess
+++ b/.htaccess
@@ -4,23 +4,22 @@
 
 DirectoryIndex index.php index.html
 
-# PROTECTED DIRECTORIES
 <IfModule mod_rewrite.c>
   RewriteEngine On
-  RewriteCond %{REQUEST_FILENAME} -d
-  RewriteRule (?i)(data|api) - [F]
-</IfModule>
-RedirectMatch 403 (?i)/data/config\.php$
-RedirectMatch 403 (?i)/data/logs
-RedirectMatch 403 (?i)/data/cache
-RedirectMatch 403 (?i)/data/upload
-RedirectMatch 403 (?i)/application
-RedirectMatch 403 (?i)/custom
-RedirectMatch 403 (?i)/vendor
-#END PROTECTED DIRECTORIES
 
-<IfModule mod_rewrite.c>
-  RewriteEngine On
+  # PROTECTED DIRECTORIES
+  RewriteCond %{REQUEST_FILENAME} -d
+  RewriteRule ^/?(data|api)/ - [F]
+
+  RewriteRule ^/?data/config\.php$ - [F]
+  RewriteRule ^/?data/logs/ - [F]
+  RewriteRule ^/?data/cache/ - [F]
+  RewriteRule ^/?data/upload/ - [F]
+  RewriteRule ^/?application/ - [F]
+  RewriteRule ^/?custom/ - [F]
+  RewriteRule ^/?vendor/ - [F]
+  #END PROTECTED DIRECTORIES
+
   RewriteRule .* - [E=HTTP_ESPO_CGI_AUTH:%{HTTP:Authorization}]
 
   RewriteRule reset/?$ reset.html [QSA,L]
diff --git a/application/Espo/Core/Utils/Database/DBAL/Schema/Comparator.php b/application/Espo/Core/Utils/Database/DBAL/Schema/Comparator.php
index 8f8b34abe6..4e9ee27a37 100644
--- a/application/Espo/Core/Utils/Database/DBAL/Schema/Comparator.php
+++ b/application/Espo/Core/Utils/Database/DBAL/Schema/Comparator.php
@@ -29,79 +29,85 @@ class Comparator extends \Doctrine\DBAL\Schema\Comparator
 {
 
 	public function diffColumn(Column $column1, Column $column2)
-    {
-        $changedProperties = array();
-        if ( $column1->getType() != $column2->getType() ) {
+	{
+		$changedProperties = array();
+		if ( $column1->getType() != $column2->getType() ) {
 
 			//espo: fix problem with executing query for custom types
 			$column1DbTypeName = method_exists($column1->getType(), 'getDbTypeName') ? $column1->getType()->getDbTypeName() : $column1->getType()->getName();
 			$column2DbTypeName = method_exists($column2->getType(), 'getDbTypeName') ? $column2->getType()->getDbTypeName() : $column2->getType()->getName();
 
 			if (strtolower($column1DbTypeName) != strtolower($column2DbTypeName)) {
-            	$changedProperties[] = 'type';
+				$changedProperties[] = 'type';
 			}
 			//END: espo
-        }
+		}
 
-        if ($column1->getNotnull() != $column2->getNotnull()) {
-            $changedProperties[] = 'notnull';
-        }
+		if ($column1->getNotnull() != $column2->getNotnull()) {
+			$changedProperties[] = 'notnull';
+		}
 
-        if ($column1->getDefault() != $column2->getDefault()) {
-            $changedProperties[] = 'default';
-        }
+		if ($column1->getDefault() != $column2->getDefault()) {
+			$changedProperties[] = 'default';
+		}
 
-        if ($column1->getUnsigned() != $column2->getUnsigned()) {
-            $changedProperties[] = 'unsigned';
-        }
+		if ($column1->getUnsigned() != $column2->getUnsigned()) {
+			$changedProperties[] = 'unsigned';
+		}
 
-        if ($column1->getType() instanceof \Doctrine\DBAL\Types\StringType) {
-            // check if value of length is set at all, default value assumed otherwise.
-            $length1 = $column1->getLength() ?: 255;
-            $length2 = $column2->getLength() ?: 255;
-            if ($length1 != $length2) {
-                $changedProperties[] = 'length';
-            }
+		if ($column1->getType() instanceof \Doctrine\DBAL\Types\StringType) {
+			// check if value of length is set at all, default value assumed otherwise.
+			$length1 = $column1->getLength() ?: 255;
+			$length2 = $column2->getLength() ?: 255;
 
-            if ($column1->getFixed() != $column2->getFixed()) {
-                $changedProperties[] = 'fixed';
-            }
-        }
+			/** Espo: column length can be increased only */
+			/*if ($length1 != $length2) {
+				$changedProperties[] = 'length';
+			}*/
+			if ($length2 > $length1) {
+				$changedProperties[] = 'length';
+			}
+			/** Espo: end */
 
-        if ($column1->getType() instanceof \Doctrine\DBAL\Types\DecimalType) {
-            if (($column1->getPrecision()?:10) != ($column2->getPrecision()?:10)) {
-                $changedProperties[] = 'precision';
-            }
-            if ($column1->getScale() != $column2->getScale()) {
-                $changedProperties[] = 'scale';
-            }
-        }
+			if ($column1->getFixed() != $column2->getFixed()) {
+				$changedProperties[] = 'fixed';
+			}
+		}
 
-        if ($column1->getAutoincrement() != $column2->getAutoincrement()) {
-            $changedProperties[] = 'autoincrement';
-        }
+		if ($column1->getType() instanceof \Doctrine\DBAL\Types\DecimalType) {
+			if (($column1->getPrecision()?:10) != ($column2->getPrecision()?:10)) {
+				$changedProperties[] = 'precision';
+			}
+			if ($column1->getScale() != $column2->getScale()) {
+				$changedProperties[] = 'scale';
+			}
+		}
 
-        // only allow to delete comment if its set to '' not to null.
-        if ($column1->getComment() !== null && $column1->getComment() != $column2->getComment()) {
-            $changedProperties[] = 'comment';
-        }
+		if ($column1->getAutoincrement() != $column2->getAutoincrement()) {
+			$changedProperties[] = 'autoincrement';
+		}
 
-        $options1 = $column1->getCustomSchemaOptions();
-        $options2 = $column2->getCustomSchemaOptions();
+		// only allow to delete comment if its set to '' not to null.
+		if ($column1->getComment() !== null && $column1->getComment() != $column2->getComment()) {
+			$changedProperties[] = 'comment';
+		}
 
-        $commonKeys = array_keys(array_intersect_key($options1, $options2));
+		$options1 = $column1->getCustomSchemaOptions();
+		$options2 = $column2->getCustomSchemaOptions();
 
-        foreach ($commonKeys as $key) {
-            if ($options1[$key] !== $options2[$key]) {
-                $changedProperties[] = $key;
-            }
-        }
+		$commonKeys = array_keys(array_intersect_key($options1, $options2));
 
-        $diffKeys = array_keys(array_diff_key($options1, $options2) + array_diff_key($options2, $options1));
+		foreach ($commonKeys as $key) {
+			if ($options1[$key] !== $options2[$key]) {
+				$changedProperties[] = $key;
+			}
+		}
 
-        $changedProperties = array_merge($changedProperties, $diffKeys);
+		$diffKeys = array_keys(array_diff_key($options1, $options2) + array_diff_key($options2, $options1));
 
-        return $changedProperties;
-    }
+		$changedProperties = array_merge($changedProperties, $diffKeys);
+
+		return $changedProperties;
+	}
 
 }
\ No newline at end of file
diff --git a/application/Espo/Core/Utils/File/Permission.php b/application/Espo/Core/Utils/File/Permission.php
index d9597f5cb0..efcc763d91 100644
--- a/application/Espo/Core/Utils/File/Permission.php
+++ b/application/Espo/Core/Utils/File/Permission.php
@@ -420,7 +420,7 @@ class Permission
 
 		$owner = $defaultPermissions['user'];
 		if (empty($owner) && $usePosix) {
-			$owner = posix_getuid();
+			$owner = function_exists('posix_getuid') ? posix_getuid() : null;
 		}
 
 		if (empty($owner)) {
@@ -441,7 +441,7 @@ class Permission
 
 		$group = $defaultPermissions['group'];
 		if (empty($group) && $usePosix) {
-			$group = posix_getegid();
+			$group = function_exists('posix_getegid') ? posix_getegid() : null;
 		}
 
 		if (empty($group)) {
diff --git a/application/Espo/Core/Utils/System.php b/application/Espo/Core/Utils/System.php
index 1752668150..012b022f36 100644
--- a/application/Espo/Core/Utils/System.php
+++ b/application/Espo/Core/Utils/System.php
@@ -33,9 +33,9 @@ class System
 	{
 		$serverSoft = $_SERVER['SERVER_SOFTWARE'];
 
-		preg_match('/^(.*)\//i', $serverSoft, $match);
+		preg_match('/^(.*?)\//i', $serverSoft, $match);
 		if (empty($match[1])) {
-			preg_match('/^(.*)\/?/i', $serverSoft, $match);
+			preg_match('/^(.*?)\/?/i', $serverSoft, $match);
 		}
 		$serverName = strtolower( trim($match[1]) );
 
diff --git a/frontend/client/custom/.data b/frontend/client/custom/.data
new file mode 100644
index 0000000000..0519ecba6e
--- /dev/null
+++ b/frontend/client/custom/.data
@@ -0,0 +1 @@
+ 
\ No newline at end of file
diff --git a/install/core/Installer.php b/install/core/Installer.php
index d764e15e2a..cd3a454a85 100644
--- a/install/core/Installer.php
+++ b/install/core/Installer.php
@@ -94,6 +94,10 @@ class Installer
 		return $this->app->getContainer()->get('fileManager');
 	}
 
+	public function getVersion()
+	{
+		return $this->getConfig()->get('version');
+	}
 
 	protected function auth()
 	{
diff --git a/install/core/Language.php b/install/core/Language.php
index 8db1655272..e26e9dab3b 100644
--- a/install/core/Language.php
+++ b/install/core/Language.php
@@ -1,55 +1,98 @@
-<?php
-
-
-class Language
-{
-	private $defaultLanguage = 'en_US';
-
-	private $systemHelper;
-
-	public function __construct()
-	{
-		require_once 'SystemHelper.php';
-		$this->systemHelper = new SystemHelper();
-	}
-
-	protected function getSystemHelper()
-	{
-		return $this->systemHelper;
-	}
-
-	public function get($language)
-	{
-		if (empty($language)) {
-			$language = $this->defaultLanguage;
-		}
-
-		$langFileName = 'install/core/i18n/'.$language.'/install.json';
-		if (!file_exists($langFileName)) {
-			$langFileName = 'install/core/i18n/'.$this->defaultLanguage.'/install.json';
-		}
-
-		$i18n = file_get_contents($langFileName);
-		$i18n = json_decode($i18n, true);
-
-		$this->afterRetrieve($i18n);
-
-		return $i18n;
-	}
-
-	/**
-	 * After retrieve actions
-	 *
-	 * @param  array $i18n
-	 * @return array $i18n
-	 */
-	protected function afterRetrieve(array &$i18n)
-	{
-		/** Get rewrite rules */
-		$serverType = $this->getSystemHelper()->getServerType();
-		$rewriteRules = $this->getSystemHelper()->getRewriteRules();
-		$i18n['options']['modRewriteHelp'][$serverType] = str_replace('{0}', $rewriteRules, $i18n['options']['modRewriteHelp'][$serverType]);
-	}
-
-
-}
+<?php
+
+
+class Language
+{
+	private $defaultLanguage = 'en_US';
+
+	private $systemHelper;
+
+	private $data = array();
+
+	public function __construct()
+	{
+		require_once 'SystemHelper.php';
+		$this->systemHelper = new SystemHelper();
+	}
+
+	protected function getSystemHelper()
+	{
+		return $this->systemHelper;
+	}
+
+	public function get($language)
+	{
+		if (isset($this->data[$language])) {
+			return $this->data[$language];
+		}
+
+		if (empty($language)) {
+			$language = $this->defaultLanguage;
+		}
+
+		$langFileName = 'install/core/i18n/'.$language.'/install.json';
+		if (!file_exists($langFileName)) {
+			$langFileName = 'install/core/i18n/'.$this->defaultLanguage.'/install.json';
+		}
+
+		$i18n = $this->getLangData($langFileName);
+
+		if ($language != $this->defaultLanguage) {
+			$i18n = $this->mergeWithDefaults($i18n);
+		}
+
+		$this->afterRetrieve($i18n);
+
+		$this->data[$language] = $i18n;
+
+		return $this->data[$language];
+	}
+
+	/**
+	 * Merge current language with default one
+	 *
+	 * @param  array $data
+	 * @return array
+	 */
+	protected function mergeWithDefaults($data)
+	{
+		$defaultLangFile = 'install/core/i18n/'.$this->defaultLanguage.'/install.json';
+		$defaultData = $this->getLangData($defaultLangFile);
+
+		foreach ($data as $categoryName => &$labels) {
+			foreach ($defaultData[$categoryName] as $defaultLabelName => $defaultLabel) {
+				if (!isset($labels[$defaultLabelName])) {
+					$labels[$defaultLabelName] = $defaultLabel;
+				}
+			}
+		}
+
+		$data = array_merge($defaultData, $data);
+
+		return $data;
+	}
+
+	protected function getLangData($filePath)
+	{
+		$data = file_get_contents($filePath);
+		$data = json_decode($data, true);
+
+		return $data;
+	}
+
+	/**
+	 * After retrieve actions
+	 *
+	 * @param  array $i18n
+	 * @return array $i18n
+	 */
+	protected function afterRetrieve(array &$i18n)
+	{
+		/** Get rewrite rules */
+		$serverType = $this->getSystemHelper()->getServerType();
+		$rewriteRules = $this->getSystemHelper()->getRewriteRules();
+		$i18n['options']['modRewriteHelp'][$serverType] = str_replace('{0}', $rewriteRules, $i18n['options']['modRewriteHelp'][$serverType]);
+	}
+
+
+}
diff --git a/install/core/SystemHelper.php b/install/core/SystemHelper.php
index 21da1c5b1f..c39dcf6277 100644
--- a/install/core/SystemHelper.php
+++ b/install/core/SystemHelper.php
@@ -24,22 +24,23 @@
 class SystemHelper extends \Espo\Core\Utils\System
 {
 
-	protected $requirements = array(
-		'phpVersion' => '5.4',
+	protected $requirements;
 
-		'exts' => array(
-			'json',
-			'mcrypt',
-			'pdo_mysql',
-		),
-	);
+	protected $apiPath;
 
-	protected $modRewriteUrl = '/api/v1/Metadata';
+	protected $modRewriteUrl = '/Metadata';
 
 	protected $writableDir = 'data';
 
 	protected $combineOperator = '&&';
 
+	public function __construct()
+	{
+		$config = include('config.php');
+
+		$this->requirements = $config['requirements'];
+		$this->apiPath = $config['apiPath'];
+	}
 
 	public function initWritable()
 	{
@@ -55,7 +56,6 @@ class SystemHelper extends \Espo\Core\Utils\System
 		return $this->writableDir;
 	}
 
-
 	public function checkRequirements()
 	{
 		$result['success'] = true;
@@ -64,10 +64,10 @@ class SystemHelper extends \Espo\Core\Utils\System
 				$result['errors']['phpVersion'] = $this->requirements['phpVersion'];
 				$result['success'] = false;
 			}
-			if (!empty($this->requirements['exts'])) {
-				foreach ($this->requirements['exts'] as $extName) {
+			if (!empty($this->requirements['phpRequires'])) {
+				foreach ($this->requirements['phpRequires'] as $extName) {
 					if (!extension_loaded($extName)) {
-						$result['errors']['exts'][] = $extName;
+						$result['errors']['phpRequires'][] = $extName;
 						$result['success'] = false;
 					}
 				}
@@ -77,62 +77,129 @@ class SystemHelper extends \Espo\Core\Utils\System
 		return $result;
 	}
 
-	public function checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName, $dbDriver = 'pdo_mysql', $isCreateDatabase = true)
+	public function getRecommendationList($type = 'php', $data = null)
+	{
+		$list = array();
+
+		if ($type == 'mysql') {
+			$pdoConn = $this->getPdoConnection($data['dbHostName'], $data['dbPort'], $data['dbUserName'], $data['dbUserPass'], $data['dbName']);
+		}
+
+		$currentVersion = ($type == 'php') ? PHP_VERSION : $this->getMysqlSetting('version', $pdoConn);
+		$list[$type . 'Version'] = array(
+			'current' => $currentVersion,
+			'required' => $this->requirements[$type . 'Version'],
+			'acceptable' => true,
+		);
+
+		$recommendations = array_merge($this->requirements[$type . 'Requires'], $this->requirements[$type . 'Recommendations']);
+
+		foreach ($recommendations as $name => $requiredValue) {
+
+			$isExtension = false;
+
+			if (is_int($name)) {
+				$name = $requiredValue;
+				$acceptable = extension_loaded($name);
+				$currentValue = $acceptable ? 'On' : 'Off';
+				$isExtension = true;
+
+			} else {
+				$currentValue = ($type == 'php') ? ini_get($name) : $this->getMysqlSetting($name, $pdoConn);
+				$acceptable = ( isset($currentValue) && $this->convertToBytes($currentValue) >= $this->convertToBytes($requiredValue) ) ? true : false;
+			}
+
+			$list[$name] = array(
+				'current' => $currentValue,
+				'required' => $requiredValue,
+				'acceptable' => $acceptable,
+				'isExtension' => $isExtension,
+			);
+		}
+
+		return $list;
+	}
+
+	protected function getMysqlSetting($name, \PDO $pdoConnection)
+	{
+		$sth = $pdoConnection->prepare("SHOW VARIABLES LIKE '" . $name . "'");
+		$sth->execute();
+		$res = $sth->fetch(PDO::FETCH_NUM);
+
+		$version = empty($res[1]) ? null : $res[1];
+
+		return $version;
+	}
+
+	public function checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName, $isCreateDatabase = true)
 	{
 		$result['success'] = true;
 
-		switch ($dbDriver) {
-			case 'mysqli':
-				$mysqli = (empty($port)) ? new mysqli($hostName, $dbUserName, $dbUserPass, $dbName) : new mysqli($hostName, $dbUserName, $dbUserPass, $dbName, $port);
-				if (!$mysqli->connect_errno) {
-					$mysqli->close();
-				}
-				else {
-					$result['errors']['dbConnect']['errorCode'] = $mysqli->connect_errno;
-					$result['errors']['dbConnect']['errorMsg'] = $mysqli->connect_error;
-					$result['success'] = false;
-				}
-				break;
+		$dbh = $this->getPdoConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName);
 
-			case 'pdo_mysql':
-				try {
-					$dsn = "mysql:host={$hostName};" . ((!empty($port)) ? "port={$port};" : '') . "dbname={$dbName}";
-					$dbh = new PDO($dsn, $dbUserName, $dbUserPass);
-					$dbh = null;
-				} catch (PDOException $e) {
-
-					$result['errors']['dbConnect']['errorCode'] = $e->getCode();
-					$result['errors']['dbConnect']['errorMsg'] = $e->getMessage();
-					$result['success'] = false;
-				}
-
-				/** try to create a database */
-				if ($isCreateDatabase && !$result['success'] && $result['errors']['dbConnect']['errorCode'] == '1049') {
-
-					$dsn = "mysql:host={$hostName};" . ((!empty($port)) ? "port={$port}" : '');
-					$pdo = new PDO($dsn, $dbUserName, $dbUserPass);
-
-					$isCreated = true;
-					try {
-						$pdo->query("CREATE DATABASE IF NOT EXISTS `$dbName`");
-					} catch (PDOException $e) {
-						$isCreated = false;
-					}
-
-					if ($isCreated) {
-						return $this->checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName, $dbDriver, false);
-					}
-				}
-				/** END: try to create a database */
-
-
-
-				break;
+		if ($dbh instanceof \PDOException) {
+			$result['errors']['dbConnect']['errorCode'] = $dbh->getCode();
+			$result['errors']['dbConnect']['errorMsg'] = $dbh->getMessage();
+			$result['success'] = false;
 		}
 
+		/** Check MySQL settings */
+		if ($result['success']) {
+			$currentMysqlVersion = $this->getMysqlSetting('version', $dbh);
+			if (isset($currentMysqlVersion) && version_compare($currentMysqlVersion, $this->requirements['mysqlVersion']) == -1) {
+				$result['errors']['mysqlVersion'] = $this->requirements['mysqlVersion'];
+				$result['success'] = false;
+			}
+
+			/** Check required MySQL settings */
+			foreach ($this->requirements['mysqlRequires'] as $name => $requiredValue) {
+				$currentValue = $this->getMysqlSetting($name, $dbh);
+				$acceptable = ( isset($currentValue) && $this->convertToBytes($currentValue) >= $this->convertToBytes($requiredValue) ) ? true : false;
+				if (!$acceptable) {
+					$result['errors']['mysqlSetting'] = array(
+						'errorCode' => 'mysqlSettingError',
+						'name' => $name,
+						'value' => $requiredValue,
+					);
+					$result['success'] = false;
+				}
+			}
+		}
+
+		/** try to create a database */
+		if ($isCreateDatabase && !$result['success'] && $result['errors']['dbConnect']['errorCode'] == '1049')
+		{
+			$dsn = "mysql:host={$hostName};" . ((!empty($port)) ? "port={$port}" : '');
+			$pdo = new PDO($dsn, $dbUserName, $dbUserPass);
+
+			$isCreated = true;
+			try {
+				$pdo->query("CREATE DATABASE IF NOT EXISTS `$dbName`");
+			} catch (PDOException $e) {
+				$isCreated = false;
+			}
+
+			if ($isCreated) {
+				return $this->checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName, false);
+			}
+		}
+		/** END: try to create a database */
+
 		return $result;
 	}
 
+	public function getPdoConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName)
+	{
+		try {
+			$dsn = "mysql:host={$hostName};" . ((!empty($port)) ? "port={$port};" : '') . "dbname={$dbName}";
+			$dbh = new PDO($dsn, $dbUserName, $dbUserPass);
+		} catch (PDOException $e) {
+			return $e;
+		}
+
+		return $dbh;
+	}
+
 	public function getBaseUrl()
 	{
 		$pageUrl = ($_SERVER["HTTPS"] == 'on') ? 'https://' : 'http://';
@@ -148,9 +215,14 @@ class SystemHelper extends \Espo\Core\Utils\System
 		return $baseUrl;
 	}
 
+	public function getApiPath()
+	{
+		return $this->apiPath;
+	}
+
 	public function getModRewriteUrl()
 	{
-		return $this->modRewriteUrl;
+		return $this->apiPath . $this->modRewriteUrl;
 	}
 
 	public function getChownCommand($path, $isSudo = false, $isCd = true)
@@ -160,8 +232,8 @@ class SystemHelper extends \Espo\Core\Utils\System
 			$path = implode(' ', $path);
 		}
 
-		$owner = posix_getuid();
-		$group = posix_getegid();
+		$owner = function_exists('posix_getuid') ? posix_getuid() : null;
+		$group = function_exists('posix_getegid') ? posix_getegid() : null;
 
 		$sudoStr = $isSudo ? 'sudo ' : '';
 
@@ -279,7 +351,7 @@ class SystemHelper extends \Espo\Core\Utils\System
 		$serverType = $this->getServerType();
 
 		$rules = array(
-			'nginx' => "location /api/v1/ {\n    if (!-e " . '$request_filename' . "){\n        rewrite ^/api/v1/(.*)$ /api/v1/index.php last; break;\n    }\n}\n\nlocation / {\n    rewrite reset/?$ reset.html break;\n}\n\nlocation /(data|api) {\n    if (-e " . '$request_filename' . "){\n        return 403;\n    }\n}\n\nlocation /data/logs {\n    return 403;\n}\nlocation /data/config.php$ {\n    return 403;\n}\nlocation /data/cache {\n    return 403;\n}\nlocation /data/upload {\n    return 403;\n}\nlocation /application {\n    return 403;\n}\nlocation /custom {\n    return 403;\n}\nlocation /vendor {\n    return 403;\n}",
+			'nginx' => "location /api/v1/ {\n    if (!-e " . '$request_filename' . "){\n        rewrite ^/api/v1/(.*)$ /api/v1/index.php last; break;\n    }\n}\n\nlocation / {\n    rewrite reset/?$ reset.html break;\n}\n\nlocation ^~ (data|api)/ {\n    if (-e " . '$request_filename' . "){\n        return 403;\n    }\n}\n\nlocation ^~ /data/logs/ {\n    return 403;\n}\nlocation ^~ /data/config.php {\n    return 403;\n}\nlocation ^~ /data/cache/ {\n    return 403;\n}\nlocation ^~ /data/upload/ {\n    return 403;\n}\nlocation ^~ /application/ {\n    return 403;\n}\nlocation ^~ /custom/ {\n    return 403;\n}\nlocation ^~ /vendor/ {\n    return 403;\n}",
 		);
 
 		if (isset($rules[$serverType])) {
@@ -289,4 +361,22 @@ class SystemHelper extends \Espo\Core\Utils\System
 		return '';
 	}
 
+	public function convertToBytes($value)
+	{
+		$value = trim($value);
+		$last = strtoupper(substr($value, -1));
+
+		switch ( $last )
+		{
+			case 'G':
+			$value = (int) $value * 1024;
+			case 'M':
+			$value = (int) $value * 1024;
+			case 'K':
+			$value = (int) $value * 1024;
+		}
+
+		return $value;
+	}
+
 }
diff --git a/install/core/actions/settingsTest.php b/install/core/actions/settingsTest.php
index c3eae65f0f..6bf8e6bc0d 100644
--- a/install/core/actions/settingsTest.php
+++ b/install/core/actions/settingsTest.php
@@ -40,9 +40,8 @@ if ($result['success'] && !empty($_REQUEST['dbName']) && !empty($_REQUEST['hostN
 	list($hostName, $port) = explode(':', trim($_REQUEST['hostName']));
 	$dbUserName = trim($_REQUEST['dbUserName']);
 	$dbUserPass = trim($_REQUEST['dbUserPass']);
-	$dbDriver = (!empty($_REQUEST['dbDriver']))? $_REQUEST['dbDriver'] : 'pdo_mysql';
 
-	$res = $systemHelper->checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName, $dbDriver);
+	$res = $systemHelper->checkDbConnection($hostName, $port, $dbUserName, $dbUserPass, $dbName);
 	$result['success'] &= $res['success'];
 	if (!empty($res['errors'])) {
 		$result['errors'] = array_merge($result['errors'], $res['errors']);
diff --git a/install/core/actions/setupConfirmation.php b/install/core/actions/setupConfirmation.php
new file mode 100644
index 0000000000..fa9b28d3bf
--- /dev/null
+++ b/install/core/actions/setupConfirmation.php
@@ -0,0 +1,48 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014  Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: http://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ ************************************************************************/
+
+$phpConfig = $systemHelper->getRecommendationList();
+$smarty->assign('phpConfig', $phpConfig);
+
+$installData = $_SESSION['install'];
+list($host, $port) = explode(':', $installData['hostName']);
+
+$dbConfig = array(
+    'dbHostName' => $host,
+    'dbPort' => $port,
+    'dbName' => $installData['dbName'],
+    'dbUserName' => $installData['dbUserName'],
+    'dbUserPass' => $installData['dbUserPass'],
+);
+$mysqlConfig = $systemHelper->getRecommendationList('mysql', $dbConfig);
+
+$dbConfig['dbHostName'] = $installData['hostName'];
+unset($dbConfig['dbPort'], $dbConfig['dbUserPass']);
+
+foreach ($dbConfig as $name => $value) {
+	$mysqlConfig[$name] = array(
+		'current' => $value,
+		'acceptable' => true,
+	);
+}
+
+$smarty->assign('mysqlConfig', $mysqlConfig);
\ No newline at end of file
diff --git a/install/core/config.php b/install/core/config.php
new file mode 100644
index 0000000000..93085ad175
--- /dev/null
+++ b/install/core/config.php
@@ -0,0 +1,40 @@
+<?php
+
+return array(
+
+	'apiPath' => '/api/v1',
+
+	'requirements' => array(
+		'phpVersion' => '5.4',
+
+		'phpRequires' => array(
+			'JSON',
+			'mcrypt',
+			'pdo_mysql',
+		),
+
+		'phpRecommendations' => array(
+			'GD',
+			'IMAP',
+			'max_execution_time' => 180,
+			'max_input_time' => 180,
+			'memory_limit' => '256M',
+			'post_max_size' => '20M',
+			'upload_max_filesize' => '20M',
+		),
+
+		'mysqlVersion' => '5.1',
+		'mysqlRequires' => array(
+
+		),
+
+		'mysqlRecommendations' => array(
+
+		),
+	),
+
+	'blog' => 'http://blog.espocrm.com',
+	'twitter' => 'https://twitter.com/espocrm',
+	'forum' => 'http://forum.espocrm.com',
+
+);
\ No newline at end of file
diff --git a/install/core/i18n/de_DE/install.json b/install/core/i18n/de_DE/install.json
index fe6a3d3f38..b65ee88ed9 100644
--- a/install/core/i18n/de_DE/install.json
+++ b/install/core/i18n/de_DE/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "SMTP Einstellungen für ausgehende E-Mails",
 		"Errors page title": "Fehler",
 		"Finish page title": "Die Installation ist abgeschlossen",
-		"Congratulation! Welcome to EspoCRM!": "Gratulation! EspoCRM wurde erfolgreich installiert.",
+		"Congratulation! Welcome to EspoCRM": "Gratulation! EspoCRM wurde erfolgreich installiert.",
 		"Installation Guide": "Installationshandbuch",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Weiter",
 		"Go to EspoCRM": "Zu EspoCRM",
 		"Re-check": "Überprüfung wiederholen",
+		"Version": "Version",
 		"Test settings": "Verbindung überprüfen",
-		"Database Settings Description": "Geben Sie die Verbindungsinformationen für Ihre MySQL Datebank ein (Hostname, Benutzername und Passwort). Sie können den Serverport z.B. so definieren: localhost:3306"
+		"Database Settings Description": "Geben Sie die Verbindungsinformationen für Ihre MySQL Datebank ein (Hostname, Benutzername und Passwort). Sie können den Serverport z.B. so definieren: localhost:3306",
+		"phpVersion": "PHP version",
+		"mysqlVersion": "MySQL version",
+		"dbHostName": "Host Name",
+		"dbName": "Datenbank Name",
+		"dbUserName": "Datenbank Benutzername"
 	},
 	"fields": {
 		"Choose your language": "Wählen Sie Ihre Sprache",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Zugriff verweigert für Verzeichnis \"{*}\". Bitte setzen Sie 775 für \"{*}\" oder führen Sie dieses Kommando in einem Terminal Fenster aus <pre><b>{C}<\/b><\/pre> Operation nicht erlaubt? Versuchen Sie das: {CSU}",
 		"Some errors occurred!": "Es sind Fehler passiert!",
 		"phpVersion": "Ihre PHP Version wird von EspoCRM nicht unterstützt. Bitte aktualisieren Sie zumindest auf {minVersion}",
+		"MySQLVersion": "Ihre MySQL Version wird von EspoCRM nicht unterstützt. Bitte aktualisieren Sie zumindest auf {minVersion}",
 		"The PHP extension was not found...": "Die <b>{extName}<\/b> PHP Erweiterung wurde nicht gefunden...",
 		"All Settings correct": "Alle Einstellungen sind korrekt",
 		"Failed to connect to database": "Konnte nicht zur Datenbank verbinden",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>Für die .htaccess Unterstützung ändern\/ergänzen Sie die Server Einstellungen innerhalb der &#60;VirtualHost&#62; Sektion (httpd.conf):<pre>&#60;Directory \/PATH_TO_ESPO\/&#62; <b>AllowOverride All<\/b> &#60;\/Directory&#62;<\/pre>Dann führen Sie dieses Kommando in einem Terminalfenster aus:<pre><b>service apache2 restart<\/b><\/pre><br>Um \"mod_rewrite\" zu aktivieren führen Sie diese Kommandos in einem Terminalfenster aus:<pre><b>a2enmod rewrite <br>service apache2 restart<\/b><\/pre>",
+				"linux": "<br><br>Um die RewriteBase Pfad hinzufügen, öffnen Sie eine Datei {API_PATH}.htaccess und ändern Sie die folgende Zeile:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>Für die .htaccess Unterstützung ändern\/ergänzen Sie die Server Einstellungen innerhalb der &#60;VirtualHost&#62; Sektion (httpd.conf):<pre>&#60;Directory \/PATH_TO_ESPO\/&#62; <b>AllowOverride All<\/b> &#60;\/Directory&#62;<\/pre>Dann führen Sie dieses Kommando in einem Terminalfenster aus:<pre><b>service apache2 restart<\/b><\/pre><br>Um \"mod_rewrite\" zu aktivieren führen Sie diese Kommandos in einem Terminalfenster aus:<pre><b>a2enmod rewrite <br>service apache2 restart<\/b><\/pre>",
 				"windows": "<br> <pre>1. Finden Sie die httpd.conf Datei (normalerweise in einem Verzeichnis conf, config oder ähnlich)<br> 2. Innerhalb der httpd.conf Datei aktivieren Sie die Zeile LoadModule rewrite_module modules\/mod_rewrite.so (entfernen Sie das # Zeichen vom Anfang der Zeile)<br> 3. Stellen Sie sicher, dass die Zeile ClearModuleList nicht auskommentiert ist, genauso wie die Zeile AddModule mod_rewrite.c. <\/pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Fehler: EspoCRM API nicht verfügbar<br>Mögliches Problem: deaktiviertes \"mod_rewrite\" des Apache Servers oder des .htaccess Supports.",
+			"apache": "API Fehler: EspoCRM API nicht verfügbar<br>Mögliches Problem: RewriteBase erforderlich, deaktiviertes \"mod_rewrite\" des Apache Servers oder des .htaccess Supports.",
 			"nginx": "API Error: EspoCRM API nicht verfügbar.<br>Fügen Sie diesen Code zu Nginx Host Config (innerhalb des \"server\" Blocks) hinzu:<br> <pre> {0} <\/pre>",
 			"microsoft-iis": "API Fehler: EspoCRM API nicht verfügbar<br>Mögliches Problem: deaktiviertes \"URL Rewrite\". Bitte überprüfen und aktivieren Sie das \"URL Rewrite\" Modul im IIS Server.",
 			"default": "API Fehler: EspoCRM API nicht verfügbar<br>Mögliches Problem: deaktiviertes Rewrite Modul. Bitte überprüfen und aktivieren Sie das Rewrite Modul (z.B. mod_rewrite im Apache Server) und die .htaccess Unterstützung."
diff --git a/install/core/i18n/en_US/install.json b/install/core/i18n/en_US/install.json
index 57915a4804..5e9553e5b6 100644
--- a/install/core/i18n/en_US/install.json
+++ b/install/core/i18n/en_US/install.json
@@ -12,7 +12,8 @@
 		"Step5 page title": "SMTP settings for outgoing emails",
 		"Errors page title": "Errors",
 		"Finish page title": "Installation is complete",
-		"Congratulation! Welcome to EspoCRM!": "Congratulation! EspoCRM has been successfully installed.",
+		"Congratulation! Welcome to EspoCRM": "Congratulation! EspoCRM has been successfully installed.",
+		"More Information": "For more information,<br>please visit our blog: {BLOG}<br>follow us on twitter: {TWITTER}<br><br>If you have any suggestions or questions, please ask on the forum:<br>{FORUM}",
 		"Installation Guide": "Installation Guide",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +26,20 @@
 		"Next": "Next",
 		"Go to EspoCRM": "Go to EspoCRM",
 		"Re-check": "Re-check",
+		"Version": "Version",
 		"Test settings": "Test Connection",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"Install": "Install",
+		"SetupConfirmation page title": "Recommended Settings",
+		"PHP Configuration": "Recommended PHP settings",
+		"MySQL Configuration": "MySQL Configuration",
+		"Configuration Instructions": "Configuration Instructions",
+		"phpVersion": "PHP version",
+		"mysqlVersion": "MySQL version",
+		"dbHostName": "Host Name",
+		"dbName": "Database Name",
+		"dbUserName": "Database User Name",
+		"OK": "OK"
 	},
 	"fields": {
 		"Choose your language": "Choose your language",
@@ -63,6 +76,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Some errors occurred!",
 		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "PHP Error: Extension <b>{extName}</b> is not found.",
 		"All Settings correct": "All Settings are correct",
 		"Failed to connect to database": "Failed to connect to database",
@@ -76,7 +90,7 @@
 		"createUser error": "createUser error",
 		"checkAjaxPermission error": "checkAjaxPermission error",
 		"Ajax failed": "Ajax failed",
-		"Cannot create user": "Cannot create user",
+		"Cannot create user": "Cannot create a user",
 		"Permission denied": "Permission denied",
 		"permissionInstruction": "<br>Run this in Terminal<pre><b>\"{C}\"</b></pre>",
 		"operationNotPermitted" : "Operation not permitted? Try this: <br>{CSU}",
@@ -86,7 +100,10 @@
 		"Thousand Separator and Decimal Mark equal": "Thousand Separator and Decimal Mark cannot be equal",
 		"1049": "Unknown database",
 		"2005": "Unknown MySQL server host",
-		"1045": "Access denied for user"
+		"1045": "Access denied for user",
+		"extension": "{0} extension is missing",
+		"option": "Recommended value is {0}",
+		"mysqlSettingError": "EspoCRM requires the MySQL setting \"{NAME}\" to be set to {VALUE}"
 	},
 	"options": {
 		"db driver": {
@@ -95,7 +112,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +120,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: RewriteBase required, disabled \"mod_rewrite\" in Apache server or .htaccess support.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/es_ES/install.json b/install/core/i18n/es_ES/install.json
index 24e90a08ee..7af82c901b 100644
--- a/install/core/i18n/es_ES/install.json
+++ b/install/core/i18n/es_ES/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Configuración SMTP para los correos salientes",
 		"Errors page title": "Errores",
 		"Finish page title": "La instalación ha finalizado",
-		"Congratulation! Welcome to EspoCRM!": "¡Enhorabuena! EspoCRM(Español) se ha instalado correctamente.",
+		"Congratulation! Welcome to EspoCRM": "¡Enhorabuena! EspoCRM(Español) se ha instalado correctamente.",
 		"Installation Guide": "Instrucciones de instalación",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -24,8 +24,14 @@
 		"Next": "Siguiente",
 		"Go to EspoCRM": "Ir a EspoCRM(Español)",
 		"Re-check": "Revisar otra vez",
+		"Version": "Version",
 		"Test settings": "Test de conexión",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "PHP version",
+		"mysqlVersion": "MySQL version",
+		"dbHostName": "Hostname usualmente(localhost)",
+		"dbName": "Nombre de la Base de Datos",
+		"dbUserName": "Usuario de la Base de Datos"
 	},
 	"fields": {
 		"Choose your language": "Seleccione un lenguaje",
@@ -61,7 +67,8 @@
 	"messages": {
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Some errors occurred!",
-		"phpVersion": "PHP version should be >= {minVersion}",
+		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "PHP Error: Extension <b>{extName}</b> is not found.",
 		"All Settings correct": "All Settings are correct",
 		"Failed to connect to database": "Failed to connect to database",
@@ -94,7 +101,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -102,7 +109,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: RewriteBase required, disabled \"mod_rewrite\" in Apache server or .htaccess support.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/fr_FR/install.json b/install/core/i18n/fr_FR/install.json
index c9da6be879..cb920b3957 100644
--- a/install/core/i18n/fr_FR/install.json
+++ b/install/core/i18n/fr_FR/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Paramètres SMTP pour envoyer les emails",
 		"Errors page title": "Erreurs",
 		"Finish page title": "L'installation est terminée",
-		"Congratulation! Welcome to EspoCRM!": "Félicitation! EspoCRM a été installé avec succès.",
+		"Congratulation! Welcome to EspoCRM": "Félicitation! EspoCRM a été installé avec succès.",
 		"Installation Guide": "Instructions d'installation",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Suivant",
 		"Go to EspoCRM": "Aller à EspoCRM",
 		"Re-check": "Revérifier",
+		"Version": "Version",
 		"Test settings": "Tester la Connexion",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "Version PHP",
+		"mysqlVersion": "Version MySQL",
+		"dbHostName": "Nom d'hôte",
+		"dbName": "Nom de la Base de Donnée",
+		"dbUserName": "Nom d'utilisateur de la base de donnée"
 	},
 	"fields": {
 		"Choose your language": "Choisissez votre langue",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Des erreurs se sont produites !",
 		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "L'extension PHP <b>{extName}</b> est introuvable...",
 		"All Settings correct": "Les Paramètres sont corrects",
 		"Failed to connect to database": "Impossible de connecter la base de donnée",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: RewriteBase required, disabled \"mod_rewrite\" in Apache server or .htaccess support.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/nl_NL/install.json b/install/core/i18n/nl_NL/install.json
index 23c3a74ecc..a0c7381d9b 100644
--- a/install/core/i18n/nl_NL/install.json
+++ b/install/core/i18n/nl_NL/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "SMTP instellingen voor uitgaande emails",
 		"Errors page title": "Fouten",
 		"Finish page title": "Installatie is compleet",
-		"Congratulation! Welcome to EspoCRM!": "Proficiat! EspoCRM heeft u succesvol geinstalleerd.",
+		"Congratulation! Welcome to EspoCRM": "Proficiat! EspoCRM heeft u succesvol geinstalleerd.",
 		"Installation Guide": "Installation Guide",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Volgende",
 		"Go to EspoCRM": "Ga naar EspoCRM",
 		"Re-check": "Re-check",
+		"Version": "Versie",
 		"Test settings": "Test Verbinding",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "PHP versie",
+		"mysqlVersion": "MySQL versie",
+		"dbHostName": "Host Naam",
+		"dbName": "Database Naam",
+		"dbUserName": "Database Gebruikers Naam"
 	},
 	"fields": {
 		"Choose your language": "Kies uw taal",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Er zijn fouten gevonden!",
 		"phpVersion": "Uw PHP versie wordt niet ondersteund door EspoCRM, u moet minimaal updaten naar PHP {minVersion}",
+		"MySQLVersion": "Uw MySQL versie wordt niet ondersteund door EspoCRM, u moet minimaal updaten naar MySQL {minVersion}",
 		"The PHP extension was not found...": "PHP Error: Extension <b>{extName}</b> is not found.",
 		"All Settings correct": "Alle Instellingen zijn juist",
 		"Failed to connect to database": "Kan geen verbinding maken met de database",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API niet beschikbaar.<br> Mogelijke Oorzaak: disabled \"mod_rewrite\" in Apache server of .htaccess ondersteuning.",
+			"apache": "API Error: EspoCRM API niet beschikbaar.<br> Mogelijke Oorzaak: RewriteBase vereist, disabled \"mod_rewrite\" in Apache server of .htaccess ondersteuning.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API niet beschikbaar.<br> Mogelijk probleem: disabled \"URL Rewrite\". Controleer en activeer \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/pl_PL/install.json b/install/core/i18n/pl_PL/install.json
index a1deaa4628..51d2636ba0 100644
--- a/install/core/i18n/pl_PL/install.json
+++ b/install/core/i18n/pl_PL/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Ustawienia SMTP dla poczty wychodzącej",
 		"Errors page title": "Błędy",
 		"Finish page title": "Instalacja została ukończona",
-		"Congratulation! Welcome to EspoCRM!": "Gratuluje! EspoCRM zostało pomyślnie zainstalowane.",
+		"Congratulation! Welcome to EspoCRM": "Gratuluje! EspoCRM zostało pomyślnie zainstalowane.",
 		"Installation Guide": "Instrukcja instalacji",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Następny",
 		"Go to EspoCRM": "Idź do EspoCRM",
 		"Re-check": "Sprawdź jeszcze raz",
+		"Version": "Wersja",
 		"Test settings": "Test połączenia z bazą danych",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "Wersja PHP",
+		"mysqlVersion": "Wersja MySQL",
+		"dbHostName": "Host Name",
+		"dbName": "Nazwa Bazy Danych",
+		"dbUserName": "Nazwa Użytkonika Bazy Danych"
 	},
 	"fields": {
 		"Choose your language": "Wybierz swój język",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Wystapiły błędy!",
 		"phpVersion": "Wersja PHP nie jest wspierana przez EspoCRM, proszę wykonać aktualizację do minimalnej wersji PHP {minVersion}",
+		"MySQLVersion": "Wersja MySQL nie jest wspierana przez EspoCRM, proszę wykonać aktualizację do minimalnej wersji MySQL {minVersion}",
 		"The PHP extension was not found...": "PHP Error: Extension <b>{extName}</b> is not found.",
 		"All Settings correct": "Wszystkie ustwienia są poprawne",
 		"Failed to connect to database": "Błąd połączenia z bazą danych",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "Błąd API: API jest nie dostępne.<br> Pradwdopodobnie: wyłączyłeś \"mod_rewrite\" w serwerze Apache lub .htaccess.",
+			"apache": "Błąd API: API jest nie dostępne.<br> Pradwdopodobnie: wymagane RewriteBase, wyłączyłeś \"mod_rewrite\" w serwerze Apache lub .htaccess.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "Błąd API: API jest nie dostepne.<br> Pradopodobnie: wyłączyłeś \"URL Rewrite\". Proszę sprawdź i włącz \"URL Rewrite\" Moduł w IIS serwer",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/ro_RO/install.json b/install/core/i18n/ro_RO/install.json
index b5fddb0377..7db8927731 100644
--- a/install/core/i18n/ro_RO/install.json
+++ b/install/core/i18n/ro_RO/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Setari SMTP pentru trimitere email-uri",
 		"Errors page title": "Erori",
 		"Finish page title": "Instalare finalizata",
-		"Congratulation! Welcome to EspoCRM!": "Felicitari! EspoCRM a fost instalat cu succes.",
+		"Congratulation! Welcome to EspoCRM": "Felicitari! EspoCRM a fost instalat cu succes.",
 		"Installation Guide": "Instrucțiuni de instalare",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Inainte",
 		"Go to EspoCRM": "Mergi la EspoCRM",
 		"Re-check": "Re-verificare",
+		"Version": "Versiunea",
 		"Test settings": "Testare Conexiune",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "Versiune PHP",
+		"mysqlVersion": "Versiune MySQL",
+		"dbHostName": "Numele Server-ului",
+		"dbName": "Numele Bazei de Date",
+		"dbUserName": "Nume Utilizator Baza de Date"
 	},
 	"fields": {
 		"Choose your language": "Alege Limba",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Am intampinat erori!",
 		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "PHP Error: Extension <b>{extName}</b> is not found.",
 		"All Settings correct": "Toate setarile sunt corecte",
 		"Failed to connect to database": "Nu s-a reusit conectarea la Baza de Date",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "Eroare API: API-ul EspoCRM nu este valabil.<br> Probleme posibile: este dezactivat \"mod_rewrite\" in server-ul Apache, sau in .htaccess.",
+			"apache": "Eroare API: API-ul EspoCRM nu este valabil.<br> Probleme posibile: RewriteBase necesar, este dezactivat \"mod_rewrite\" in server-ul Apache, sau in .htaccess.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "Eroare API: API-ul EspoCRM nu este valabil.<br> Probleme posibile: este dezactivat \"URL Rewrite\". Verificati si activati modulul \"URL Rewrite\" in server-ul IIS",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/tr_TR/install.json b/install/core/i18n/tr_TR/install.json
index 184ca85a22..1d339b73a9 100644
--- a/install/core/i18n/tr_TR/install.json
+++ b/install/core/i18n/tr_TR/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Giden epostalar için SMTP ayarları",
 		"Errors page title": "Hatalar",
 		"Finish page title": "Yükleme tamamlandı",
-		"Congratulation! Welcome to EspoCRM!": "Tebrikler! EspoCRM başarıyla yüklendi.",
+		"Congratulation! Welcome to EspoCRM": "Tebrikler! EspoCRM başarıyla yüklendi.",
 		"Installation Guide": "Kurulum Talimatları",
 		"admin": "Yçnetici",
 		"localhost": "localhost",
@@ -25,11 +25,17 @@
 		"Next": "Sonraki",
 		"Go to EspoCRM": "EspoCRM sayfama git",
 		"Re-check": "Tekrar Kontrol Et",
-		"Test settings": "Bağlantıyı Kontrol Et"
+		"Version": "Versiyon",
+		"Test settings": "Bağlantıyı Kontrol Et",
+		"phpVersion": "PHP sürümü",
+		"mysqlVersion": "MySQL sürümü",
+		"dbHostName": "Sunucu Adı",
+		"dbName": "Veritabanı adı",
+		"dbUserName": "Veritabanı Kullanıcı Adı"
 	},
 	"fields": {
 		"Choose your language": "Dili seçin",
-		"Database Name": "Veritabanı adı:",
+		"Database Name": "Veritabanı adı",
 		"Host Name": "Sunucu Adı",
 		"Port": "Bağlantı Noktası",
 		"Database User Name": "Veritabanı Kullanıcı Adı",
@@ -61,11 +67,12 @@
 	"messages": {
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}<\/b><\/pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Bazı hatalar oluştu!",
-		"Supported php version >=": "Desteklenen Php Sürümü >=",
+		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "<b>{extName}<\/b> PHP eklentisi bulunamadı...",
 		"All Settings correct": "Tüm ayarlar doğru",
 		"Failed to connect to database": "Veritabanına bağlanma başarısız oldu",
-		"PHP version: ": "PHP sürümü:",
+		"PHP version": "PHP sürümü",
 		"You must agree to the license agreement": "Lisans sözleşmesini kabul etmelisiniz",
 		"Passwords do not match": "Şifreler eşleşmiyor",
 		"Enable mod_rewrite in Apache server": "Mod_rewrite ı Apache sunucusunda etkinleştirin",
@@ -94,7 +101,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory \/PATH_TO_ESPO\/&#62;\n <b>AllowOverride All<\/b>\n&#60;\/Directory&#62;<\/pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart<\/b><\/pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart<\/b><\/pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules\/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n<\/pre>"
 			},
 			"microsoft-iis": {
@@ -102,7 +109,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: RewriteBase required, disabled \"mod_rewrite\" in Apache server or .htaccess support.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/i18n/vi_VN/install.json b/install/core/i18n/vi_VN/install.json
index 4c6eebbc3b..e1f5137ea7 100644
--- a/install/core/i18n/vi_VN/install.json
+++ b/install/core/i18n/vi_VN/install.json
@@ -12,7 +12,7 @@
 		"Step5 page title": "Cài đặt SMTP cho email đi",
 		"Errors page title": "Lỗi",
 		"Finish page title": "Hoàn thành cài đặt",
-		"Congratulation! Welcome to EspoCRM!": "Xin chúc mừng bạn! EspoCRM đã được cài đặt thành công.",
+		"Congratulation! Welcome to EspoCRM": "Xin chúc mừng bạn! EspoCRM đã được cài đặt thành công.",
 		"Installation Guide": "Hướng dẫn cài đặt",
 		"admin": "admin",
 		"localhost": "localhost",
@@ -25,8 +25,14 @@
 		"Next": "Tiến",
 		"Go to EspoCRM": "Đi đến EspoCRM",
 		"Re-check": "Kiểm tra lại",
+		"Version": "Phiên bản",
 		"Test settings": "Kiểm tra kết nối",
-		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306."
+		"Database Settings Description": "Enter your MySQL database connection information (hostname, username and password). You can specify the server port for hostname like localhost:3306.",
+		"phpVersion": "Phiên bản PHP",
+		"mysqlVersion": "Phiên bản MySQL",
+		"dbHostName": "Tên máy chủ",
+		"dbName": "Tên cơ sở dữ liệu",
+		"dbUserName": "Tên truy cập csdl"
 	},
 	"fields": {
 		"Choose your language": "Chọn ngôn ngữ",
@@ -63,6 +69,7 @@
 		"Bad init Permission": "Permission denied for \"{*}\" directory. Please set 775 for \"{*}\" or just execute this command in the terminal <pre><b>{C}</b></pre>\n\tOperation not permitted? Try this one: {CSU}",
 		"Some errors occurred!": "Đã có lỗi xảy ra!",
 		"phpVersion": "Your PHP version is not supported by EspoCRM, please update to PHP {minVersion} at least",
+		"MySQLVersion": "Your MySQL version is not supported by EspoCRM, please update to MySQL {minVersion} at least",
 		"The PHP extension was not found...": "Không tìm thấy phần mở rộng <b>{extName}</b> của PHP",
 		"All Settings correct": "cài đặt thành công",
 		"Failed to connect to database": "Không thể kết nối tới csdl",
@@ -95,7 +102,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
+				"linux": "<br><br>To add the RewriteBase path, open a file {API_PATH}.htaccess and change the following line:<pre># RewriteBase /</pre>To<pre>RewriteBase {ESPO_PATH}{API_PATH}</pre><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory /PATH_TO_ESPO/&#62;\n <b>AllowOverride All</b>\n&#60;/Directory&#62;</pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart</b></pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart</b></pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n</pre>"
 			},
 			"microsoft-iis": {
@@ -103,7 +110,7 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: RewriteBase required, disabled \"mod_rewrite\" in Apache server or .htaccess support.",
 			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to your Nginx Host Config (inside \"server\" block):<br>\n<pre>\n{0}\n</pre>",
 			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
diff --git a/install/core/tpl/errors.tpl b/install/core/tpl/errors.tpl
index cea6682339..da505006dc 100644
--- a/install/core/tpl/errors.tpl
+++ b/install/core/tpl/errors.tpl
@@ -1,6 +1,3 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Errors page title']}</h4>
-</header>
 <div class="panel-body body">
 	<div id="msg-box" class="alert alert-danger">{$errors}</div>
 	<div class="loading-icon hide"></div>
@@ -14,7 +11,7 @@
 	</form>
 </div>
 <footer class="modal-footer">
-	<button class="btn btn-primary" type="button" id="re-check">{$langs['labels']['Re-check']}</button>
+	<button class="btn btn-warning" type="button" id="re-check">{$langs['labels']['Re-check']}</button>
 </footer>
 <script>
 	{literal}
@@ -24,6 +21,7 @@
 			action: 'errors',
 			langs: {$langsJs},
 			modRewriteUrl: '{$modRewriteUrl}',
+			apiPath: '{$apiPath}',
 			serverType: '{$serverType}',
 			OS: '{$OS}'
 		}
diff --git a/install/core/tpl/finish.tpl b/install/core/tpl/finish.tpl
index 8140e035d1..2c7b3d2625 100644
--- a/install/core/tpl/finish.tpl
+++ b/install/core/tpl/finish.tpl
@@ -1,12 +1,23 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Finish page title']}</h4>
-</header>
 <div class="panel-body body">
 	<form id="nav">
 		<div class="row">
 			<div class=" col-md-13">
 				<div class="panel-body" align="center">
-					{$langs['labels']['Congratulation! Welcome to EspoCRM!']}
+					<div class="message">
+						{$langs['labels']['Congratulation! Welcome to EspoCRM']}
+					</div>
+
+					<div class="more-information">
+						{assign var="blogLink" value="<a target=\"_blank\" href=\"{$config['blog']}\">{$config['blog']}</a>"}
+						{assign var="twitterLink" value="<a target=\"_blank\" href=\"{$config['twitter']}\">{$config['twitter']}</a>"}
+						{assign var="forumLink" value="<a target=\"_blank\" href=\"{$config['forum']}\">{$config['forum']}</a>"}
+
+						{assign var="message" value="{$langs['labels']['More Information']|replace:'{BLOG}':$blogLink}"}
+						{assign var="message" value="{$message|replace:'{TWITTER}':$twitterLink}"}
+						{assign var="message" value="{$message|replace:'{FORUM}':$forumLink}"}
+
+						{$message}
+					</div>
 				</div>
 			</div>
 		</div>
@@ -14,10 +25,12 @@
 </div>
 
 {if $cronHelp}
-&nbsp;{$cronTitle}
-<pre>
-{$cronHelp}
-</pre>
+<div class="cron-help">
+	&nbsp;{$cronTitle}
+	<pre>
+	{$cronHelp}
+	</pre>
+</div>
 {/if}
 <footer class="modal-footer">
 	<button class="btn btn-primary" type="button" id="start">{$langs['labels']['Go to EspoCRM']}</button>
diff --git a/install/core/tpl/header.tpl b/install/core/tpl/header.tpl
index 6b91a7a86a..63aad3f572 100644
--- a/install/core/tpl/header.tpl
+++ b/install/core/tpl/header.tpl
@@ -1,3 +1,15 @@
 <div style="background-color: #4A6492; padding: 3px 10px;" class="panel-heading">
 	<img src="../client/img/logo.png">
-</div>
\ No newline at end of file
+</div>
+<header class="panel-heading">
+	<div class="row">
+		<div class="col-md-10">
+			<h4 class="panel-title">
+				{$langs['labels']["{$action} page title"]}
+			</h4>
+		</div>
+		<div class="col-md-2 version" align="right">
+			{$langs['labels']['Version']} {$version}
+		</div>
+	</div>
+</header>
\ No newline at end of file
diff --git a/install/core/tpl/main.tpl b/install/core/tpl/main.tpl
index fa2ded5bb8..6927634fc1 100644
--- a/install/core/tpl/main.tpl
+++ b/install/core/tpl/main.tpl
@@ -1,16 +1,13 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Main page title']}</h4>
-</header>
 <form id="nav">
 	<div class="panel-body">
 		<div id="msg-box" class="alert hide"></div>
 		<div class="row">
-			<div class=" col-md-12">
+			<div class="col-md-12">
 				<div align="center">
-				<div class="content-img">
-					<img class="devices" src="img/devices.png" alt="EspoCRM">
-				</div>
-				{$langs['labels']['Main page header']}
+					<div class="content-img">
+						<img class="devices" src="img/devices.png" alt="EspoCRM">
+					</div>
+					{$langs['labels']['Main page header']}
 				</div>
 			</div>
 		</div>
@@ -34,8 +31,7 @@
 
 	</div>
 	<footer class="modal-footer">
-
-		<button class="btn btn-primary" type="button" id="start">{$langs['labels']['Start']}</button>
+			<button class="btn btn-primary" type="button" id="start">{$langs['labels']['Start']}</button>
 	</footer>
 </form>
 <script>
diff --git a/install/core/tpl/setupConfirmation.tpl b/install/core/tpl/setupConfirmation.tpl
new file mode 100644
index 0000000000..d17aa132e4
--- /dev/null
+++ b/install/core/tpl/setupConfirmation.tpl
@@ -0,0 +1,123 @@
+<div class="setup-confirmation panel-body body">
+	<div id="msg-box" class="alert hide"></div>
+	<form id="nav">
+		<div class="row">
+
+			<table class="table table-striped">
+				<thead>
+					<tr>
+						<th colspan="3">{$langs['labels']['PHP Configuration']}</th>
+					</tr>
+				</thead>
+				<tbody>
+					{foreach from=$phpConfig key=name item=value}
+						<tr>
+							<td class="col-md-4">
+								{if $langs['labels'][$name] eq ''}
+									{$name}
+								{else}
+								   {$langs['labels'][{$name}]}
+								{/if}
+							</td>
+							<td class="col-md-4">{$value['current']}</td>
+							<td class="col-md-4">
+
+								{if $value['acceptable'] eq true}
+							    	<span class="ok">
+								    	{$langs['labels']['OK']}
+								    </span>
+								{else}
+								    <span class="remark">
+								    	{if $value['isExtension'] eq true}
+								    		{assign var="messageName" value="extension"}
+								    	{else}
+								    		{assign var="messageName" value="option"}
+								    	{/if}
+
+								    	{$langs['messages'][{$messageName}]|replace:'{0}':$value['required']}
+								    </span>
+								{/if}
+
+							</td>
+						</tr>
+					{/foreach}
+				</tbody>
+			</table>
+
+			<table class="table table-striped">
+				<thead>
+					<tr>
+						<th colspan="2">{$langs['labels']['MySQL Configuration']}</th>
+					</tr>
+				</thead>
+				<tbody>
+					{foreach from=$mysqlConfig key=name item=value}
+						<tr>
+							<td class="col-md-4">
+								{if $langs['labels'][$name] eq ''}
+									{$name}
+								{else}
+								   {$langs['labels'][{$name}]}
+								{/if}
+							</td>
+							<td class="col-md-4">{$value['current']}</td>
+							<td class="col-md-4">
+
+								{if $value['acceptable'] eq true}
+							    	<span class="ok">
+							    		{$langs['labels']['OK']}
+								    </span>
+								{else}
+								    <span class="remark">
+								    	{if $value['isExtension'] eq true}
+								    		{assign var="messageName" value="extension"}
+								    	{else}
+								    		{assign var="messageName" value="option"}
+								    	{/if}
+
+								    	{$langs['messages'][{$messageName}]|replace:'{0}':$value['required']}
+								    </span>
+								{/if}
+
+							</td>
+						</tr>
+					{/foreach}
+				</tbody>
+			</table>
+
+			<div class="cell cell-website pull-right" align="right">
+				<a target="_blank" href="http://blog.espocrm.com/administration/server-configuration-for-espocrm/" style="font-weight:bold;">{$langs['labels']['Configuration Instructions']}</a>
+			</div>
+
+			<br>
+
+			<div class="loading-icon hide"></div>
+
+		</div>
+	</form>
+</div>
+<footer class="modal-footer">
+	<button class="btn btn-default" type="button" id="back">{$langs['labels']['Back']}</button>
+	<button class="btn btn-warning" type="button" id="re-check">{$langs['labels']['Re-check']}</button>
+	<button class="btn btn-primary" type="button" id="next">{$langs['labels']['Install']}</button>
+</footer>
+<script>
+	{literal}
+	$(function(){
+	{/literal}
+		var opt = {
+			action: 'setupConfirmation',
+			langs: {$langsJs},
+			modRewriteUrl: '{$modRewriteUrl}',
+			apiPath: '{$apiPath}',
+			serverType: '{$serverType}',
+			OS: '{$OS}'
+		}
+	{literal}
+		var installScript = new InstallScript(opt);
+		jQuery('#re-check').click(function(){
+			installScript.goTo('setupConfirmation');
+		});
+	})
+	{/literal}
+</script>
\ No newline at end of file
diff --git a/install/core/tpl/step1.tpl b/install/core/tpl/step1.tpl
index f5727fce48..da99944a40 100644
--- a/install/core/tpl/step1.tpl
+++ b/install/core/tpl/step1.tpl
@@ -1,13 +1,10 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Step1 page title']}</h4>
-</header>
 <div class="panel-body body">
 	<div id="msg-box" class="alert hide"></div>
 	<form id="nav">
 		<div class="row">
 			<div class=" col-md-12">
 				<div class="row">
-					<div class="cell cell-website col-sm-12 form-group">						
+					<div class="cell cell-website col-sm-12 form-group">
 						<div class="field field-website">
 							<textarea rows="16" class="license-field">{$license}</textarea>
 						</div>
@@ -20,7 +17,7 @@
 			<label class="point-lbl" for="license-agree">&nbsp;&nbsp;&nbsp;{$langs['labels']['I accept the agreement']}</label>
 		</div>
 	</form>
-		
+
 </div>
 <footer class="modal-footer">
 	<button class="btn btn-default" type="button" id="back">{$langs['labels']['Back']}</button>
diff --git a/install/core/tpl/step2.tpl b/install/core/tpl/step2.tpl
index 3139e959f4..1b6d2da460 100644
--- a/install/core/tpl/step2.tpl
+++ b/install/core/tpl/step2.tpl
@@ -1,6 +1,3 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Step2 page title']}</h4>
-</header>
 <div class="panel-body body">
 
 	<div id="msg-box" class="alert hide"></div>
@@ -24,13 +21,13 @@
 					<div class="cell cell-website col-sm-12 form-group">
 						<label class="field-label-website control-label">{$langs['fields']['Database User Name']} *</label>
 						<div class="field field-website">
-							<input type="text" value="{$fields['db-user-name'].value}" name="db-user-name" class="main-element form-control">
+							<input type="text" value="{$fields['db-user-name'].value}" name="db-user-name" class="main-element form-control" autocomplete="off">
 						</div>
 					</div>
 					<div class="cell cell-website col-sm-12 form-group">
 						<label class="field-label-website control-label">{$langs['fields']['Database User Password']}</label>
 						<div class="field field-website">
-							<input type="password" value="{$fields['db-user-password'].value}" name="db-user-password" class="main-element form-control">
+							<input type="password" value="{$fields['db-user-password'].value}" name="db-user-password" class="main-element form-control" autocomplete="off">
 						</div>
 					</div>
 				</div>
diff --git a/install/core/tpl/step3.tpl b/install/core/tpl/step3.tpl
index 7e7108e4a3..020161ecf4 100644
--- a/install/core/tpl/step3.tpl
+++ b/install/core/tpl/step3.tpl
@@ -1,6 +1,3 @@
-<header class="panel-heading">
-	<h4 class="panel-title">{$langs['labels']['Step3 page title']}</h4>
-</header>
 <div class="panel-body body">
 	<div id="msg-box" class="alert hide"></div>
 	<div class="loading-icon hide"></div>
@@ -12,7 +9,7 @@
 					<div class="cell cell-website col-sm-12 form-group">
 						<label class="field-label-website control-label">{$langs['fields']['User Name']} *</label>
 						<div class="field field-website">
-							<input type="text" value="{$fields['user-name'].value}" name="user-name" class="main-element form-control">
+							<input type="text" value="{$fields['user-name'].value}" name="user-name" class="main-element form-control"  autocomplete="off">
 						</div>
 					</div>
 				</div>
@@ -21,7 +18,7 @@
 					<div class="cell cell-website col-sm-12 form-group">
 						<label class="field-label-website control-label">{$langs['fields']['Password']} *</label>
 						<div class="field field-website">
-							<input type="password" value="{$fields['user-pass'].value}" name="user-pass" class="main-element form-control">
+							<input type="password" value="{$fields['user-pass'].value}" name="user-pass" class="main-element form-control"  autocomplete="off">
 						</div>
 					</div>
 				</div>
@@ -30,7 +27,7 @@
 					<div class="cell cell-website col-sm-12 form-group">
 						<label class="field-label-website control-label">{$langs['fields']['Confirm Password']} *</label>
 						<div class="field field-website">
-							<input type="password" value="{$fields['user-confirm-pass'].value}" name="user-confirm-pass" class="main-element form-control">
+							<input type="password" value="{$fields['user-confirm-pass'].value}" name="user-confirm-pass" class="main-element form-control" autocomplete="off">
 						</div>
 					</div>
 				</div>
@@ -40,7 +37,6 @@
 	</form>
 </div>
 <footer class="modal-footer">
-	<button class="btn btn-default" type="button" id="back">{$langs['labels']['Back']}</button>
 	<button class="btn btn-primary" type="button" id="next">{$langs['labels']['Next']}</button>
 </footer>
 <script>
@@ -51,6 +47,7 @@
 			action: 'step3',
 			langs: {$langsJs},
 			modRewriteUrl: '{$modRewriteUrl}',
+			apiPath: '{$apiPath}',
 			serverType: '{$serverType}',
 			OS: '{$OS}'
 		}
diff --git a/install/core/tpl/step4.tpl b/install/core/tpl/step4.tpl
index 25a38da45f..1f2e7f0a0a 100644
--- a/install/core/tpl/step4.tpl
+++ b/install/core/tpl/step4.tpl
@@ -1,6 +1,3 @@
-<header class="panel-heading">
-	<h4 class="panel-title main-title">{$langs['labels']['Step4 page title']}</h4>
-</header>
 <div class="panel-body body">
 	<div id="msg-box" class="alert hide"></div>
 	<div class="loading-icon hide"></div>
@@ -24,7 +21,7 @@
 							</select>
 						</div>
 					</div>
-										
+
 					<div class="cell cell-timeFormat  col-sm-6  form-group">
 						<label class="field-label-timeFormat control-label">
 							{$langs['fields']['Time Format']}
@@ -40,16 +37,16 @@
 								{/foreach}
 							</select>
 						</div>
-					</div>						
-				</div>			
-									
+					</div>
+				</div>
+
 				<div class="row">
 					<div class="cell cell-timeZone  col-sm-6  form-group">
 						<label class="field-label-timeZone control-label">
 							{$langs['fields']['Time Zone']}
 						</label>
 						<div class="field field-timeZone">
-							<select name="timeZone" class="form-control main-element"> 
+							<select name="timeZone" class="form-control main-element">
 								{foreach from=$settingsDefaults['timeZone'].options item=lbl key=val}
 									{if $val == $fields['timeZone'].value}
 										<option selected="selected" value="{$val}">{$lbl}</option>
@@ -60,13 +57,13 @@
 							</select>
 						</div>
 					</div>
-				
+
 					<div class="cell cell-weekStart  col-sm-6  form-group">
 						<label class="field-label-weekStart control-label">
 							{$langs['fields']['First Day of Week']}
 						</label>
 						<div class="field field-weekStart">
-							<select name="weekStart" class="form-control main-element"> 
+							<select name="weekStart" class="form-control main-element">
 								{foreach from=$settingsDefaults['weekStart'].options item=lbl key=val}
 									{if $val == $fields['weekStart'].value}
 										<option selected="selected" value="{$val}">{$lbl}</option>
@@ -77,15 +74,15 @@
 							</select>
 						</div>
 					</div>
-				</div>			
-									
+				</div>
+
 				<div class="row">
 					<div class="cell cell-defaultCurrency  col-sm-6  form-group">
 						<label class="field-label-defaultCurrency control-label">
 							{$langs['fields']['Default Currency']}
 						</label>
 						<div class="field field-defaultCurrency">
-							<select name="defaultCurrency" class="form-control main-element"> 
+							<select name="defaultCurrency" class="form-control main-element">
 								{foreach from=$settingsDefaults['defaultCurrency'].options item=lbl key=val}
 									{if $val == $fields['defaultCurrency'].value}
 										<option selected="selected" value="{$val}">{$lbl}</option>
@@ -96,8 +93,8 @@
 							</select>
 						</div>
 					</div>
-				</div>			
-					
+				</div>
+
 				<div class="row">
 					<div class="cell cell-thousandSeparator  col-sm-6  form-group">
 						<label class="field-label-thousandSeparator control-label">
@@ -107,7 +104,7 @@
 							<input type="text" class="main-element form-control" name="thousandSeparator" value="{$fields['thousandSeparator'].value}">
 						</div>
 					</div>
-					
+
 					<div class="cell cell-decimalMark  col-sm-6  form-group">
 						<label class="field-label-decimalMark control-label">
 							{$langs['fields']['Decimal Mark']} *</label>
@@ -115,15 +112,15 @@
 							<input type="text" class="main-element form-control" name="decimalMark" value="{$fields['decimalMark'].value}">
 							</div>
 					</div>
-				</div>			
-						
-				<div class="row">	
+				</div>
+
+				<div class="row">
 					<div class="cell cell-language  col-sm-6  form-group">
 						<label class="field-label-language control-label">
 							{$langs['fields']['Language']}
 						</label>
 						<div class="field field-language">
-							<select name="language" class="form-control main-element"> 
+							<select name="language" class="form-control main-element">
 								{foreach from=$settingsDefaults['language'].options item=lbl key=val}
 									{if $val == $fields['language'].value}
 										<option selected="selected" value="{$val}">{$lbl}</option>
@@ -134,10 +131,10 @@
 							</select>
 						</div>
 					</div>
-				</div>			
+				</div>
 			</div>
 		</div>
-	</form>			
+	</form>
 </div>
 <footer class="modal-footer">
 	<button class="btn btn-default" type="button" id="back">{$langs['labels']['Back']}</button>
diff --git a/install/core/tpl/step5.tpl b/install/core/tpl/step5.tpl
index 8e6dd652ba..472c5c12c1 100644
--- a/install/core/tpl/step5.tpl
+++ b/install/core/tpl/step5.tpl
@@ -1,13 +1,10 @@
-<header class="panel-heading">
-	<h4 class="panel-title main-title">{$langs['labels']['Step5 page title']}</h4>
-</header>
 <div class="panel-body body">
 	<div id="msg-box" class="alert hide"></div>
 	<div class="loading-icon hide"></div>
-	<form id="nav">						
+	<form id="nav">
 		<div class="row">
 			<div class="col-md-8" style="width:100%" >
-				
+
 				<div class="row">
 					<div class="cell cell-outboundEmailFromName  col-sm-6  form-group">
 						<label class="field-label-outboundEmailFromName control-label">
@@ -16,7 +13,7 @@
 							<input type="text" class="main-element form-control" name="outboundEmailFromName" value="{$fields['outboundEmailFromName'].value}">
 						</div>
 					</div>
-				
+
 					<div class="cell cell-outboundEmailFromAddress  col-sm-6  form-group">
 						<label class="field-label-outboundEmailFromAddress control-label">
 							{$langs['fields']['From Address']}</label>
@@ -24,8 +21,8 @@
 							<input type="text" class="main-element form-control" name="outboundEmailFromAddress" value="{$fields['outboundEmailFromAddress'].value}">
 						</div>
 					</div>
-				</div>			
-				
+				</div>
+
 				<div class="row">
 					<div class="cell cell-outboundEmailIsShared  col-sm-6  form-group">
 						<label class="field-label-outboundEmailIsShared control-label">
@@ -36,8 +33,8 @@
 						</div>
 					</div>
 				</div>
-				
-				<br>				
+
+				<br>
 				<div class="row">
 					<div class="cell cell-smtpServer  col-sm-6  form-group">
 						<label class="field-label-smtpServer control-label">
@@ -55,9 +52,9 @@
 						<div class="field field-smtpPort">
 							<input type="text" class="main-element form-control" name="smtpPort" value="{$fields['smtpPort'].value}" pattern="[\-]?[0-9]*" maxlength="4">
 						</div>
-					</div>	
+					</div>
 				</div>
-				
+
 				<div class="row">
 					<div class="cell cell-smtpAuth  col-sm-6  form-group">
 						<label class="field-label-smtpAuth control-label">
@@ -67,13 +64,13 @@
 							<input type="checkbox" name="smtpAuth" class="main-element" {if $fields['smtpAuth'].value} checked {/if}>
 						</div>
 					</div>
-			
+
 					<div class="cell cell-smtpSecurity  col-sm-6  form-group">
 						<label class="field-label-smtpSecurity control-label">
 							{$langs['fields']['smtpSecurity']}
 						</label>
 						<div class="field field-smtpSecurity">
-							<select name="smtpSecurity" class="form-control main-element"> 
+							<select name="smtpSecurity" class="form-control main-element">
 								{foreach from=$settingsDefaults['smtpSecurity'].options item=lbl key=val}
 									{if $val == $fields['smtpSecurity'].value}
 									<option selected="selected" value="{$val}">{$lbl}</option>
@@ -85,31 +82,31 @@
 						</div>
 					</div>
 				</div>
-				
+
 				<div class="row">
 					<div class="cell cell-smtpUsername  col-sm-6  form-group {if !$fields['smtpAuth'].value} hide {/if}">
 						<label class="field-label-smtpUsername control-label">
 							{$langs['fields']['smtpUsername']} *
 						</label>
 						<div class="field field-smtpUsername">
-							<input type="text" class="main-element form-control" name="smtpUsername" value="{$fields['smtpUsername'].value}">
+							<input type="text" class="main-element form-control" name="smtpUsername" value="{$fields['smtpUsername'].value}" autocomplete="off">
 						</div>
 					</div>
-				</div>			
-				
+				</div>
+
 				<div class="row">
 					<div class="cell cell-smtpPassword  col-sm-6  form-group {if !$fields['smtpAuth'].value} hide {/if}">
 						<label class="field-label-smtpPassword control-label">
 							{$langs['fields']['smtpPassword']}
 						</label>
 						<div class="field field-smtpPassword">
-							<input type="password" class="main-element form-control" name="smtpPassword" value="{$fields['smtpPassword'].value}">
+							<input type="password" class="main-element form-control" name="smtpPassword" value="{$fields['smtpPassword'].value}" autocomplete="off">
 						</div>
 					</div>
-				</div>			
+				</div>
 			</div>
 		</div>
-	</form>			
+	</form>
 </div>
 <footer class="modal-footer">
 	<button class="btn btn-default" type="button" id="back">{$langs['labels']['Back']}</button>
diff --git a/install/css/install.css b/install/css/install.css
index c12ce6755f..b3dbcc97ff 100644
--- a/install/css/install.css
+++ b/install/css/install.css
@@ -23,6 +23,7 @@ select[name="user-lang"] {
 }
 .panel-title {
 	text-align: center;
+	margin-left: 16.6667%;
 }
 
 .loading-icon {
@@ -67,10 +68,62 @@ select[name="user-lang"] {
 	text-align: center;
 	width: 4%;
 	float: left;
-	
+
 }
 
 .semicolon-sign {
 	margin-top: 5px;
 }
 
+.version {
+	font-size: 90%;
+	color: #999;
+}
+
+input[type=checkbox].btn-default {
+	margin: 0;
+}
+
+.cron-help {
+	margin: 20px;
+}
+
+.cron-help pre {
+	margin-top: 15px;
+    padding-top: 15px;
+    padding-bottom: 0;
+}
+
+.table {
+  border-bottom: 1px solid #e8eced;
+}
+
+.setup-confirmation {
+	padding: 8px;
+}
+
+.setup-confirmation .table > thead > tr > th, .setup-confirmation table td:first-child {
+	padding-left: 3%;
+}
+.setup-confirmation .cell-website {
+	margin-right: 10px;
+}
+
+.setup-confirmation .loading-icon {
+	margin-top: 10px;
+}
+
+span.remark {
+	color: #a94442;
+	font-weight: bold;
+}
+span.ok {
+	color: #87c956;
+}
+
+.more-information {
+	line-height: 1.5;
+	font-size: 16px;
+	margin-top: 100px;
+}
+
diff --git a/install/index.php b/install/index.php
index 01ec9aeb54..7266e7f5c1 100644
--- a/install/index.php
+++ b/install/index.php
@@ -80,6 +80,7 @@ else {
 $smarty->caching = false;
 $smarty->setTemplateDir('install/core/tpl');
 
+$smarty->assign("version", $installer->getVersion());
 $smarty->assign("langs", $langs);
 $smarty->assign("langsJs", json_encode($langs));
 
@@ -97,6 +98,8 @@ switch ($action) {
 
 	case 'step3':
 	case 'errors':
+	case 'setupConfirmation':
+		$smarty->assign("apiPath", $systemHelper->getApiPath());
 		$modRewriteUrl = $systemHelper->getModRewriteUrl();
 		$smarty->assign("modRewriteUrl", $modRewriteUrl);
 		$serverType = $systemHelper->getServerType();
@@ -119,12 +122,16 @@ switch ($action) {
 $actionFile = $actionsDir.'/'.$action.'.php';
 $tplName = $action.'.tpl';
 $smarty->assign('tplName', $tplName);
+$smarty->assign('action', ucfirst($action));
+
+/** config */
+$config = include('core/config.php');
+$smarty->assign('config', $config);
 
 if (!empty($actionFile) && file_exists('install/'.$actionFile)) {
 	include $actionFile;
 }
 
-
 if (!empty($actionFile) && file_exists('install/core/tpl/'.$tplName)) {
 	ob_clean();
 	$smarty->display('index.tpl');
diff --git a/install/js/install.js b/install/js/install.js
index 73d4904fda..95ecdab2d6 100644
--- a/install/js/install.js
+++ b/install/js/install.js
@@ -35,6 +35,10 @@ var InstallScript = function(opt) {
 		this.modRewriteUrl = opt.modRewriteUrl;
 	}
 
+	if (typeof(opt.apiPath) !== 'undefined') {
+		this.apiPath = opt.apiPath.substr(1) + '/';
+	}
+
 	if (typeof(opt.serverType) !== 'undefined') {
 		this.serverType = opt.serverType;
 	}
@@ -50,24 +54,24 @@ var InstallScript = function(opt) {
 	this.checkActions = [
 		{
 			'action': 'checkModRewrite',
-			'break': true,
+			'break': true
 		},
 		{
 			'action': 'checkPermission',
-			'break': true,
+			'break': true
 		},
 		{
 			'action': 'applySett',
-			'break': true,
+			'break': true
 		},
 		{
 			'action': 'buildDatabse',
-			'break': true,
-		},
+			'break': true
+		}/*,
 		{
 			'action': 'createUser',
-			'break': true,
-		},
+			'break': true
+		}*/
 
 	];
 	this.checkIndex = 0;
@@ -115,7 +119,7 @@ InstallScript.prototype.step1 = function() {
 InstallScript.prototype.step2 = function() {
 	var self = this;
 	var backAction = 'step1';
-	var nextAction = 'step3';
+	var nextAction = 'setupConfirmation';
 
 	$('#back').click(function(){
 		$(this).attr('disabled', 'disabled');
@@ -155,9 +159,28 @@ InstallScript.prototype.step2 = function() {
 	})
 }
 
-InstallScript.prototype.step3 = function() {
+InstallScript.prototype.setupConfirmation = function() {
 	var self = this;
 	var backAction = 'step2';
+	var nextAction = 'step3';
+
+	$('#back').click(function(){
+
+		$(this).attr('disabled', 'disabled');
+		self.goTo(backAction);
+	})
+
+	$("#next").click(function(){
+
+		$(this).attr('disabled', 'disabled');
+		self.showLoading();
+		self.actionsChecking();
+	})
+}
+
+InstallScript.prototype.step3 = function() {
+	var self = this;
+	var backAction = '';
 	var nextAction = 'step4';
 
 	$('#back').click(function(){
@@ -175,8 +198,25 @@ InstallScript.prototype.step3 = function() {
 
 		self.checkPass({
 			success: function(){
-				self.showLoading();
-				self.actionsChecking();
+				var data = self.userSett;
+				data['user-name'] = self.userSett.name;
+				data['user-pass'] = self.userSett.pass;
+
+				data.action = 'createUser';
+				$.ajax({
+					url: "index.php",
+					type: "POST",
+					data: data,
+					dataType: 'json',
+				})
+				.done(function(ajaxData){
+					if (typeof(ajaxData) != 'undefined' && ajaxData.success) {
+						self.goTo(nextAction);
+					} else {
+						$("#next").removeAttr('disabled');
+						self.showMsg({msg: self.getLang(ajaxData.errorMsg, 'messages'), error: true});
+					}
+				})
 			},
 			error: function(msg) {
 				$("#next").removeAttr('disabled');
@@ -369,6 +409,9 @@ InstallScript.prototype.checkSett = function(opt) {
 				if (typeof(errors.phpVersion) !== 'undefined') {
 					msg += self.getLang('phpVersion', 'messages').replace('{minVersion}', errors.phpVersion) + rowDelim;
 				}
+				if (typeof(errors.MySQLVersion) !== 'undefined') {
+					msg += self.getLang('MySQLVersion', 'messages').replace('{minVersion}', errors.MySQLVersion) + rowDelim;
+				}
 
 				if (typeof(errors.exts) !== 'undefined') {
 					var exts = errors.exts;
@@ -384,6 +427,13 @@ InstallScript.prototype.checkSett = function(opt) {
 					msg += errors.modRewrite+rowDelim;
 				}
 
+				if (typeof(errors.mysqlSetting) !== 'undefined') {
+					var mysqlSettingErrorMess = self.getLang(errors.mysqlSetting.errorCode, 'messages');
+					mysqlSettingErrorMess = mysqlSettingErrorMess.replace('{NAME}', errors.mysqlSetting.name);
+					mysqlSettingErrorMess = mysqlSettingErrorMess.replace('{VALUE}', errors.mysqlSetting.value);
+					msg += mysqlSettingErrorMess + rowDelim;
+				}
+
 				if (typeof(errors.dbConnect) !== 'undefined') {
 					if (typeof(errors.dbConnect.errorCode) !== 'undefined') {
 						var temp = self.getLang(errors.dbConnect.errorCode, 'messages');
@@ -431,9 +481,8 @@ InstallScript.prototype.validate = function() {
 		case 'step5':
 			fieldRequired = ['smtpUsername'];
 			break;
-
-
 	}
+
 	var len = fieldRequired.length;
 	for (var index = 0; index < len; index++) {
 		elem = $('[name="'+fieldRequired[index]+'"]').filter(':visible');
@@ -546,6 +595,7 @@ InstallScript.prototype.checkAction = function(dataMain) {
 		self.callbackChecking(dataMain);
 		return;
 	}
+
 	var currIndex = this.checkIndex;
 	var checkAction = this.checkActions[currIndex].action;
 	this.checkIndex++;
@@ -560,6 +610,7 @@ InstallScript.prototype.checkAction = function(dataMain) {
 	}
 
 	data.action = checkAction;
+
 	$.ajax({
 		url: "index.php",
 		type: "POST",
@@ -602,7 +653,7 @@ InstallScript.prototype.checkModRewrite = function() {
 	var self = this;
 	this.modRewriteUrl;
 
-	var urlAjax = '..'+this.modRewriteUrl;;
+	var urlAjax = '..'+this.modRewriteUrl;
 	var realJqXHR = $.ajax({
 		url: urlAjax,
 		type: "GET",
@@ -616,7 +667,6 @@ InstallScript.prototype.checkModRewrite = function() {
 		}
 
 		self.callbackModRewrite(data);
-
 	})
 }
 
@@ -629,10 +679,12 @@ InstallScript.prototype.callbackModRewrite = function(data) {
 		this.checkAction(ajaxData);
 		return;
 	}
+
 	ajaxData.success = false;
 	if (typeof(this.langs) !== 'undefined') {
 		ajaxData.errorMsg = (typeof(this.langs['options']['modRewriteHelp'][this.serverType]) !== 'undefined')? this.langs['options']['modRewriteHelp'][this.serverType] : this.langs['options']['modRewriteHelp']['default'];
 		ajaxData.errorMsg += (typeof(this.langs['options']['modRewriteInstruction'][this.serverType]) !== 'undefined' && typeof(this.langs['options']['modRewriteInstruction'][this.serverType][this.OS]) !== 'undefined') ? this.langs['options']['modRewriteInstruction'][this.serverType][this.OS] : '';
+		ajaxData.errorMsg = ajaxData.errorMsg.replace("{ESPO_PATH}", this.getEspoPath(true)).replace("{API_PATH}", this.apiPath).replace("{API_PATH}", this.apiPath);
 	}
 	var realCheckIndex = this.checkIndex - 1;
 	if (typeof(this.checkActions[realCheckIndex]) != 'undefined'
@@ -650,7 +702,7 @@ InstallScript.prototype.callbackModRewrite = function(data) {
 InstallScript.prototype.callbackChecking = function(data) {
 	this.hideLoading();
 	if (typeof(data) != 'undefined' && data.success) {
-		this.goTo('step4');
+		this.goTo('step3');
 	}
 	else {
 		var desc = (typeof(data.errorMsg))? data.errorMsg : '';
@@ -666,10 +718,24 @@ InstallScript.prototype.callbackChecking = function(data) {
 	}
 }
 
+InstallScript.prototype.getEspoPath = function(onlyPath) {
+
+	onlyPath = typeof onlyPath !== 'undefined' ? onlyPath : false;
+
+	var location = window.location.href;
+	if (onlyPath) {
+		location = window.location.pathname;
+	}
+
+	location = location.replace(/install\/?/, '');
+
+	return location;
+}
+
 InstallScript.prototype.goToEspo = function() {
-	var loc = window.location.href;
-	loc = loc.replace(/install\/?/, '');
-	window.location.replace(loc);
+
+	var location = this.getEspoPath();
+	window.location.replace(location);
 }
 
 window.InstallScript = InstallScript;
diff --git a/web.config b/web.config
index b82810acac..6baebe63d7 100644
--- a/web.config
+++ b/web.config
@@ -5,35 +5,35 @@
         <rewrite>
             <rules>
                 <rule name="rule 1X" stopProcessing="true">
-                    <match url="/?reset/?$"  />
+                    <match url="^/?reset/?$"  />
                     <action type="Rewrite" url="reset.html"  appendQueryString="true" />
                 </rule>
                 <rule name="RequestBlocking1" stopProcessing="true">
-                    <match url="/?data/config\.php$" />
+                    <match url="^/?data/config\.php$" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking2" stopProcessing="true">
-                    <match url="/?data/logs" />
+                    <match url="^/?data/logs/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking3" stopProcessing="true">
-                    <match url="/?data/cache" />
+                    <match url="^/?data/cache/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking4" stopProcessing="true">
-                    <match url="/?data/upload" />
+                    <match url="^/?data/upload/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking5" stopProcessing="true">
-                    <match url="/?application" />
+                    <match url="^/?application/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking6" stopProcessing="true">
-                    <match url="/?custom" />
+                    <match url="^/?custom/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
                 <rule name="RequestBlocking7" stopProcessing="true">
-                    <match url="/?vendor" />
+                    <match url="^/?vendor/" />
                     <action type="CustomResponse" statusCode="403" statusReason="Forbidden: Access is denied." />
                 </rule>
             </rules>