diff --git a/PHPCI/Command/InstallCommand.php b/PHPCI/Command/InstallCommand.php
index a4a0c4bb..ac5fbff2 100644
--- a/PHPCI/Command/InstallCommand.php
+++ b/PHPCI/Command/InstallCommand.php
@@ -15,6 +15,7 @@ use PDO;
 use b8\Config;
 use b8\Database;
 use b8\Store\Factory;
+use PHPCI\Helper\Lang;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -39,16 +40,16 @@ class InstallCommand extends Command
         
         $this
             ->setName('phpci:install')
-            ->addOption('url', null, InputOption::VALUE_OPTIONAL, 'PHPCI Installation URL')
-            ->addOption('db-host', null, InputOption::VALUE_OPTIONAL, 'Database hostname')
-            ->addOption('db-name', null, InputOption::VALUE_OPTIONAL, 'Database name')
-            ->addOption('db-user', null, InputOption::VALUE_OPTIONAL, 'Database username')
-            ->addOption('db-pass', null, InputOption::VALUE_OPTIONAL, 'Database password')
-            ->addOption('admin-name', null, InputOption::VALUE_OPTIONAL, 'Admin username')
-            ->addOption('admin-pass', null, InputOption::VALUE_OPTIONAL, 'Admin password')
-            ->addOption('admin-mail', null, InputOption::VALUE_OPTIONAL, 'Admin e-mail')
-            ->addOption('config-path', null, InputOption::VALUE_OPTIONAL, 'Config file path', $defaultPath)
-            ->setDescription('Install PHPCI.');
+            ->addOption('url', null, InputOption::VALUE_OPTIONAL, Lang::get('installation_url'))
+            ->addOption('db-host', null, InputOption::VALUE_OPTIONAL, Lang::get('db_host'))
+            ->addOption('db-name', null, InputOption::VALUE_OPTIONAL, Lang::get('db_name'))
+            ->addOption('db-user', null, InputOption::VALUE_OPTIONAL, Lang::get('db_user'))
+            ->addOption('db-pass', null, InputOption::VALUE_OPTIONAL, Lang::get('db_pass'))
+            ->addOption('admin-name', null, InputOption::VALUE_OPTIONAL, Lang::get('admin_name'))
+            ->addOption('admin-pass', null, InputOption::VALUE_OPTIONAL, Lang::get('admin_pass'))
+            ->addOption('admin-mail', null, InputOption::VALUE_OPTIONAL, Lang::get('admin_email'))
+            ->addOption('config-path', null, InputOption::VALUE_OPTIONAL, Lang::get('config_path'), $defaultPath)
+            ->setDescription(Lang::get('install_phpci'));
     }
 
     /**
@@ -62,13 +63,13 @@ class InstallCommand extends Command
 
         $output->writeln('');
         $output->writeln('<info>******************</info>');
-        $output->writeln('<info> Welcome to PHPCI</info>');
+        $output->writeln('<info> '.Lang::get('welcome_to_phpci').'</info>');
         $output->writeln('<info>******************</info>');
         $output->writeln('');
 
         $this->checkRequirements($output);
 
-        $output->writeln('Please answer the following questions:');
+        $output->writeln(Lang::get('please_answer'));
         $output->writeln('-------------------------------------');
         $output->writeln('');
 
@@ -111,9 +112,9 @@ class InstallCommand extends Command
         $errors = false;
 
         // Check PHP version:
-        if (!(version_compare(PHP_VERSION, '5.3.3') >= 0)) {
+        if (!(version_compare(PHP_VERSION, '5.3.8') >= 0)) {
             $output->writeln('');
-            $output->writeln('<error>PHPCI requires at least PHP 5.3.3 to function.</error>');
+            $output->writeln('<error>'.Lang::get('phpci_php_req').'</error>');
             $errors = true;
         }
 
@@ -123,7 +124,7 @@ class InstallCommand extends Command
         foreach ($requiredExtensions as $extension) {
             if (!extension_loaded($extension)) {
                 $output->writeln('');
-                $output->writeln('<error>'.$extension.' extension must be installed.</error>');
+                $output->writeln('<error>'.Lang::get('extension_required', $extension).'</error>');
                 $errors = true;
             }
         }
@@ -134,22 +135,22 @@ class InstallCommand extends Command
         foreach ($requiredFunctions as $function) {
             if (!function_exists($function)) {
                 $output->writeln('');
-                $output->writeln('<error>PHPCI needs to be able to call the '.$function.'() function. Is it disabled in php.ini?</error>');
+                $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
                 $errors = true;
             }
         }
 
         if (!function_exists('password_hash')) {
             $output->writeln('');
-            $output->writeln('<error>PHPCI requires the password_hash() function available in PHP 5.4, or the password_compat library by ircmaxell.</error>');
+            $output->writeln('<error>'.Lang::get('function_required', $function).'</error>');
             $errors = true;
         }
 
         if ($errors) {
-            throw new Exception('PHPCI cannot be installed, as not all requirements are met. Please review the errors above before continuing.');
+            throw new Exception(Lang::get('requirements_not_met'));
         }
 
-        $output->writeln(' <info>OK</info>');
+        $output->writeln(' <info>'.Lang::get('ok').'</info>');
         $output->writeln('');
     }
 
@@ -170,9 +171,9 @@ class InstallCommand extends Command
         $dialog = $this->getHelperSet()->get('dialog');
 
         // Function to validate mail address.
-        $mailValidator =function ($answer) {
+        $mailValidator = function ($answer) {
             if (!filter_var($answer, FILTER_VALIDATE_EMAIL)) {
-                throw new Exception('Must be a valid email address.');
+                throw new Exception(Lang::get('must_be_valid_email'));
             }
 
             return $answer;
@@ -181,13 +182,13 @@ class InstallCommand extends Command
         if ($adminEmail = $input->getOption('admin-mail')) {
             $adminEmail = $mailValidator($adminEmail);
         } else {
-            $adminEmail = $dialog->askAndValidate($output, 'Your email address: ', $mailValidator, false);
+            $adminEmail = $dialog->askAndValidate($output, Lang::get('enter_email'), $mailValidator, false);
         }
         if (!$adminName = $input->getOption('admin-name')) {
-            $adminName = $dialog->ask($output, 'Enter your name: ');
+            $adminName = $dialog->ask($output, Lang::get('enter_name'));
         }
         if (!$adminPass = $input->getOption('admin-pass')) {
-            $adminPass = $dialog->askHiddenResponse($output, 'Enter your desired admin password: ');
+            $adminPass = $dialog->askHiddenResponse($output, Lang::get('enter_password'));
         }
 
         $admin['mail'] = $adminEmail;
@@ -216,7 +217,7 @@ class InstallCommand extends Command
         // FUnction do validate URL.
         $urlValidator = function ($answer) {
             if (!filter_var($answer, FILTER_VALIDATE_URL)) {
-                throw new Exception('Must be a valid URL');
+                throw new Exception(Lang::get('must_be_valid_url'));
             }
 
             return rtrim($answer, '/');
@@ -225,7 +226,7 @@ class InstallCommand extends Command
         if ($url = $input->getOption('url')) {
             $url = $urlValidator($url);
         } else {
-            $url = $dialog->askAndValidate($output, 'Your PHPCI URL ("http://phpci.local" for example): ', $urlValidator, false);
+            $url = $dialog->askAndValidate($output, Lang::get('enter_phpci_url'), $urlValidator, false);
         }
 
         $phpci['url'] = $url;
@@ -250,19 +251,19 @@ class InstallCommand extends Command
         $dialog = $this->getHelperSet()->get('dialog');
 
         if (!$dbHost = $input->getOption('db-host')) {
-            $dbHost = $dialog->ask($output, 'Please enter your MySQL host [localhost]: ', 'localhost');
+            $dbHost = $dialog->ask($output, Lang::get('enter_db_host'), 'localhost');
         }
 
         if (!$dbName = $input->getOption('db-name')) {
-            $dbName = $dialog->ask($output, 'Please enter your database name [phpci]: ', 'phpci');
+            $dbName = $dialog->ask($output, Lang::get('enter_db_name'), 'phpci');
         }
 
         if (!$dbUser = $input->getOption('db-user')) {
-            $dbUser = $dialog->ask($output, 'Please enter your database username [phpci]: ', 'phpci');
+            $dbUser = $dialog->ask($output, Lang::get('enter_db_user'), 'phpci');
         }
 
         if (!$dbPass = $input->getOption('db-pass')) {
-            $dbPass = $dialog->askHiddenResponse($output, 'Please enter your database password: ');
+            $dbPass = $dialog->askHiddenResponse($output, Lang::get('enter_db_pass'));
         }
 
         $db['servers']['read'] = $dbHost;
@@ -298,7 +299,7 @@ class InstallCommand extends Command
             return true;
 
         } catch (Exception $ex) {
-            $output->writeln('<error>PHPCI could not connect to MySQL with the details provided. Please try again.</error>');
+            $output->writeln('<error>'.Lang::get('could_not_connect').'</error>');
             $output->writeln('<error>' . $ex->getMessage() . '</error>');
         }
 
@@ -319,11 +320,11 @@ class InstallCommand extends Command
 
     protected function setupDatabase(OutputInterface $output)
     {
-        $output->write('Setting up your database... ');
+        $output->write(Lang::get('setting_up_db'));
 
         shell_exec(PHPCI_DIR . 'vendor/bin/phinx migrate -c "' . PHPCI_DIR . 'phinx.php"');
 
-        $output->writeln('<info>OK</info>');
+        $output->writeln('<info>'.Lang::get('ok').'</info>');
     }
 
     /**
@@ -341,9 +342,9 @@ class InstallCommand extends Command
             $userService = new UserService($userStore);
             $userService->createUser($admin['name'], $admin['mail'], $admin['pass'], 1);
 
-            $output->writeln('<info>User account created!</info>');
+            $output->writeln('<info>'.Lang::get('user_created').'</info>');
         } catch (\Exception $ex) {
-            $output->writeln('<error>PHPCI failed to create your admin account.</error>');
+            $output->writeln('<error>'.Lang::get('failed_to_create').'</error>');
             $output->writeln('<error>' . $ex->getMessage() . '</error>');
             die;
         }
@@ -367,8 +368,8 @@ class InstallCommand extends Command
             $content = file_get_contents($this->configFilePath);
 
             if (!empty($content)) {
-                $output->writeln('<error>The PHPCI config file exists and is not empty.</error>');
-                $output->writeln('<error>If you were trying to update PHPCI, please use phpci:update instead.</error>');
+                $output->writeln('<error>'.Lang::get('config_exists').'</error>');
+                $output->writeln('<error>'.Lang::get('update_instead').'</error>');
                 die;
             }
         }
diff --git a/PHPCI/Command/UpdateCommand.php b/PHPCI/Command/UpdateCommand.php
index 1b8becb1..32ce09b2 100644
--- a/PHPCI/Command/UpdateCommand.php
+++ b/PHPCI/Command/UpdateCommand.php
@@ -10,6 +10,7 @@
 namespace PHPCI\Command;
 
 use Monolog\Logger;
+use PHPCI\Helper\Lang;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputDefinition;
@@ -40,7 +41,7 @@ class UpdateCommand extends Command
     {
         $this
             ->setName('phpci:update')
-            ->setDescription('Update the database to reflect modified models.');
+            ->setDescription(Lang::get('update_phpci'));
     }
 
     /**
@@ -50,25 +51,25 @@ class UpdateCommand extends Command
     {
         $this->verifyInstalled($output);
 
-        $output->write('Updating PHPCI database: ');
+        $output->write(Lang::get('updating_phpci'));
 
         shell_exec(PHPCI_DIR . 'vendor/bin/phinx migrate -c "' . PHPCI_DIR . 'phinx.php"');
 
-        $output->writeln('<info>Done!</info>');
+        $output->writeln('<info>'.Lang::get('ok').'</info>');
     }
 
     protected function verifyInstalled(OutputInterface $output)
     {
         if (!file_exists(PHPCI_DIR . 'PHPCI/config.yml')) {
-            $output->writeln('<error>PHPCI does not appear to be installed.</error>');
-            $output->writeln('<error>Please install PHPCI via phpci:install instead.</error>');
+            $output->writeln('<error>'.Lang::get('not_installed').'</error>');
+            $output->writeln('<error>'.Lang::get('install_instead').'</error>');
             die;
         }
 
         $content = file_get_contents(PHPCI_DIR . 'PHPCI/config.yml');
         if (empty($content)) {
-            $output->writeln('<error>PHPCI does not appear to be installed.</error>');
-            $output->writeln('<error>Please install PHPCI via phpci:install instead.</error>');
+            $output->writeln('<error>'.Lang::get('not_installed').'</error>');
+            $output->writeln('<error>'.Lang::get('install_instead').'</error>');
             die;
         }
     }
diff --git a/PHPCI/Languages/lang.en-gb.php b/PHPCI/Languages/lang.en-gb.php
index 1f0e9433..ab04ed07 100644
--- a/PHPCI/Languages/lang.en-gb.php
+++ b/PHPCI/Languages/lang.en-gb.php
@@ -273,4 +273,46 @@ PHPCI',
     'remove' => 'Remove &raquo;',
     'search_packagist_for_more' => 'Search Packagist for more packages',
     'search' => 'Search &raquo;',
+
+    // Installer
+    'installation_url' => 'PHPCI Installation URL',
+    'db_host' => 'Database Host',
+    'db_name' => 'Database Name',
+    'db_user' => 'Database Username',
+    'db_pass' => 'Database Password',
+    'admin_name' => 'Admin Name',
+    'admin_pass' => 'Admin Password',
+    'admin_email' => 'Admin Email Address',
+    'config_path' => 'Config File Path',
+    'install_phpci' => 'Install PHPCI',
+    'welcome_to_phpci' => 'Welcome to PHPCI',
+    'please_answer' => 'Please answer the following questions:',
+    'phpci_php_req' => 'PHPCI requires at least PHP 5.3.8 to function.',
+    'extension_required' => 'Extension required: %s',
+    'function_required' => 'PHPCI needs to be able to call the %s() function. Is it disabled in php.ini?',
+    'requirements_not_met' => 'PHPCI cannot be installed, as not all requirements are met.
+                                Please review the errors above before continuing.',
+    'must_be_valid_email' => 'Must be a valid email address.',
+    'must_be_valid_url' => 'Must be a valid URL.',
+    'enter_name' => 'Admin Name:',
+    'enter_email' => 'Admin Email:',
+    'enter_password' => 'Admin Password:',
+    'enter_phpci_url' => 'Your PHPCI URL ("http://phpci.local" for example): ',
+
+    'enter_db_host' => 'Please enter your MySQL host [localhost]: ',
+    'enter_db_name' => 'Please enter your MySQL name [phpci]: ',
+    'enter_db_user' => 'Please enter your MySQL username [phpci]: ',
+    'enter_db_pass' => 'Please enter your MySQL password: ',
+    'could_not_connect' => 'PHPCI could not connect to MySQL with the details provided. Please try again.',
+    'setting_up_db' => 'Setting up your database... ',
+    'user_created' => 'User account created!',
+    'failed_to_create' => 'PHPCI failed to create your admin account.',
+    'config_exists' => 'The PHPCI config file exists and is not empty.',
+    'update_instead' => 'If you were trying to update PHPCI, please use phpci:update instead.',
+
+    // Update
+    'update_phpci' => 'Update the database to reflect modified models.',
+    'updating_phpci' => 'Updating PHPCI database: ',
+    'not_installed' => 'PHPCI does not appear to be installed.',
+    'install_instead' => 'Please install PHPCI via phpci:install instead.',
 );