diff --git a/Application/ApplicationManager.php b/Application/ApplicationManager.php
index 7e1d15af1..7ae297594 100644
--- a/Application/ApplicationManager.php
+++ b/Application/ApplicationManager.php
@@ -1,48 +1,140 @@
 <?php
+
 /**
  * Orange Management
  *
  * PHP Version 7.4
  *
- * @package   phpOMS
+ * @package   phpOMS\Application
  * @copyright Dennis Eichhorn
  * @license   OMS License 1.0
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+
 declare(strict_types=1);
 
 namespace phpOMS\Application;
 
+use phpOMS\Module\ModuleManager;
+use phpOMS\System\File\Local\Directory;
+use phpOMS\System\File\PathException;
+
 /**
  * Application manager class.
  *
  * General application managing functionality.
  *
- * @package phpOMS
+ * @package phpOMS\Application
  * @license OMS License 1.0
  * @link    https://orange-management.org
  * @since   1.0.0
  */
 final class ApplicationManager
 {
+    /**
+     * Module manager
+     *
+     * @var ModuleManager
+     * @since 1.0.0
+     */
+    private ModuleManager $moduleManager;
+
+    /**
+     * Applications
+     *
+     * @var ApplicationInfo[]
+     * @since 1.0.0
+     */
+    private array $applications = [];
+
+    /**
+     * Constructor.
+     *
+     * @param ModuleManager $moduleManager Module manager
+     *
+     * @since. 1.0.0
+     */
+    public function __construct(ModuleManager $moduleManager)
+    {
+        $this->moduleManager = $moduleManager;
+    }
+
+    /**
+     * Load info of application.
+     *
+     * @param string $appPath Application path
+     *
+     * @return ApplicationInfo
+     *
+     * @since 1.0.0
+     */
+    private function loadInfo(string $appPath): ApplicationInfo
+    {
+        $path = \realpath($appPath);
+
+        if ($path === false) {
+            throw new PathException($appPath);
+        }
+
+        $info = new ApplicationInfo($path);
+        $info->load();
+
+        return $info;
+    }
+
+    /**
+     * Install the application
+     *
+     * @param string $source      Source of the application
+     * @param string $destination Destination of the application
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
     public function install(string $source, string $destination) : void
     {
+        if (\file_exists($destination) || !\file_exists($source)) {
+            return;
+        }
 
+        $app                                         = $this->loadInfo(\rtrim('/\\', $source) . '/info.json');
+        $this->applications[$app->getInternalName()] = $app;
+
+        $this->installFiles($source, $destination);
+        $this->installFromModules($app);
     }
 
-    public function installModules() : void
+    /**
+     * Install the files to the destination
+     *
+     * @param string $source      Source path
+     * @param string $destination Destination of the application
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
+    private function installFiles(string $source, string $destination) : void
     {
-
+        Directory::copy($source, $destination);
     }
 
-    public function installConfig() : void
+    /**
+     * Install routes and hooks from modules for application
+     *
+     * @param ApplicationInfo $info Application info
+     *
+     * @return void
+     *
+     * @since 1.0.0
+     */
+    public function installFromModules(ApplicationInfo $info) : void
     {
-
-    }
-
-    public function update(string $source, string $destination) : void
-    {
-
+        $installed = $this->moduleManager->getInstalledModules();
+        foreach ($installed as $module => $moduleInfo) {
+            $this->moduleManager->reInit($module, $info);
+        }
     }
 }
diff --git a/Module/InstallerAbstract.php b/Module/InstallerAbstract.php
index d049ff6b0..46e489435 100644
--- a/Module/InstallerAbstract.php
+++ b/Module/InstallerAbstract.php
@@ -204,9 +204,21 @@ abstract class InstallerAbstract
         foreach ($directories as $child) {
             if ($child instanceof Directory) {
                 foreach ($child as $file) {
+                    if (!\file_exists(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php'))
+                        || ($appInfo !== null && \basename($file->getName(), '.php') !== $appInfo->getInternalName())
+                    ) {
+                        continue;
+                    }
+
                     self::installRoutes(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Routes.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
+                if (!\file_exists(__DIR__ . '/../../' . $child->getName())
+                    || ($appInfo !== null && \basename($child->getName(), '.php') !== $appInfo->getInternalName())
+                ) {
+                    continue;
+                }
+
                 self::installRoutes(__DIR__ . '/../../' . $child->getName() . '/Routes.php', $child->getPath());
             }
         }
@@ -271,9 +283,21 @@ abstract class InstallerAbstract
         foreach ($directories as $key => $child) {
             if ($child instanceof Directory) {
                 foreach ($child as $key2 => $file) {
+                    if (!\file_exists(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php'))
+                        || ($appInfo !== null && \basename($file->getName(), '.php') !== $appInfo->getInternalName())
+                    ) {
+                        continue;
+                    }
+
                     self::installHooks(__DIR__ . '/../../' . $child->getName() . '/' . \basename($file->getName(), '.php') . '/Hooks.php', $file->getPath());
                 }
             } elseif ($child instanceof File) {
+                if (!\file_exists(__DIR__ . '/../../' . $child->getName())
+                    || ($appInfo !== null && \basename($child->getName(), '.php') !== $appInfo->getInternalName())
+                ) {
+                    continue;
+                }
+
                 self::installHooks(__DIR__ . '/../../' . $child->getName() . '/Hooks.php', $child->getPath());
             }
         }
diff --git a/Module/ModuleManager.php b/Module/ModuleManager.php
index bcb587e32..0b0458083 100644
--- a/Module/ModuleManager.php
+++ b/Module/ModuleManager.php
@@ -15,6 +15,7 @@ declare(strict_types=1);
 namespace phpOMS\Module;
 
 use phpOMS\Application\ApplicationAbstract;
+use phpOMS\Application\ApplicationInfo;
 use phpOMS\Autoloader;
 use phpOMS\DataStorage\Database\Query\Builder;
 use phpOMS\Message\Http\HttpRequest;
@@ -446,7 +447,8 @@ final class ModuleManager
     /**
      * Re-init module.
      *
-     * @param string $module Module name
+     * @param string          $module  Module name
+     * @param ApplicationInfo $appInfo Application info
      *
      * @return void
      *
@@ -454,7 +456,7 @@ final class ModuleManager
      *
      * @since 1.0.0
      */
-    public function reInit(string $module) : void
+    public function reInit(string $module, ApplicationInfo $appInfo = null) : void
     {
         $info  = $this->loadInfo($module);
         $class = '\\Modules\\' . $info->getDirectory() . '\\Admin\\Installer';
@@ -464,7 +466,7 @@ final class ModuleManager
         }
 
         /** @var $class InstallerAbstract */
-        $class::reInit($info);
+        $class::reInit($info, $appInfo);
     }
 
     /**