diff --git a/Minecraft-Modern-Theme/inc/theme-updater.php b/Minecraft-Modern-Theme/inc/theme-updater.php
new file mode 100644
index 0000000..2221734
--- /dev/null
+++ b/Minecraft-Modern-Theme/inc/theme-updater.php
@@ -0,0 +1,125 @@
+<?php
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+// === ZENTRALE VERSIONSKONSTANTE ===
+// Bitte passen Sie diese Version bei jedem Release an!
+define( 'MINECRAFT_MODERN_THEME_VERSION', '1.4' );
+
+
+// === THEME UPDATE NOTIFICATION SYSTEM ===
+
+// Funktion zum Abrufen der neuesten Release-Informationen vom Git-Repository
+function minecraft_modern_get_latest_release_info() {
+    $transient_key = 'minecraft_modern_latest_release';
+    
+    // Versuche, die Daten aus dem Transient-Cache zu holen
+    $release_info = get_transient($transient_key);
+    
+    // Wenn der Cache leer oder abgelaufen ist, rufe neue Daten ab
+    if (false === $release_info) {
+        $response = wp_remote_get('https://git.viper.ipv64.net/api/v1/repos/M_Viper/Minecraft-Modern-Theme/releases/latest');
+        
+        if (!is_wp_error($response) && 200 === wp_remote_retrieve_response_code($response)) {
+            $body = wp_remote_retrieve_body($response);
+            $release_data = json_decode($body, true);
+            
+            if ($release_data && isset($release_data['tag_name'])) {
+                $release_info = array(
+                    'version' => $release_data['tag_name'],
+                    'download_url' => $release_data['zipball_url'],
+                    'release_notes' => isset($release_data['body']) ? $release_data['body'] : '',
+                    'published_at' => isset($release_data['published_at']) ? $release_data['published_at'] : ''
+                );
+                
+                // Speichere die Daten für 12 Stunden im Cache
+                set_transient($transient_key, $release_info, 12 * HOUR_IN_SECONDS);
+            }
+        } else {
+            // Bei Fehler, leere Daten für 1 Stunde cachen, um wiederholte fehlgeschlagene Anfragen zu vermeiden
+            set_transient($transient_key, array(), HOUR_IN_SECONDS);
+        }
+    }
+    
+    return $release_info;
+}
+
+// Funktion zum Anzeigen der Update-Benachrichtigung im Admin-Bereich
+function minecraft_modern_show_update_notification() {
+    // Nur im Admin-Bereich und für Administratoren anzeigen
+    if (!is_admin() || !current_user_can('manage_options')) {
+        return;
+    }
+    
+    // Aktuelle Theme-Version abrufen (JETZT AUS UNSERER KONSTANTE)
+    $current_version = MINECRAFT_MODERN_THEME_VERSION;
+    
+    // Neueste Release-Informationen abrufen
+    $latest_release = minecraft_modern_get_latest_release_info();
+    
+    // Wenn wir gültige Release-Informationen haben und die Versionen unterschiedlich sind
+    if (!empty($latest_release) && isset($latest_release['version']) && version_compare($current_version, $latest_release['version'], '<')) {
+        ?>
+        <div class="notice notice-warning is-dismissible">
+            <h3><?php _e('Minecraft Modern Theme Update Available', 'minecraft-modern-theme'); ?></h3>
+            <p>
+                <?php 
+                printf(
+                    __('You are using version %1$s of the Minecraft Modern Theme. Version %2$s is now available.', 'minecraft-modern-theme'),
+                    '<strong>' . esc_html($current_version) . '</strong>',
+                    '<strong>' . esc_html($latest_release['version']) . '</strong>'
+                );
+                ?>
+            </p>
+            <p>
+                <a href="<?php echo esc_url($latest_release['download_url']); ?>" class="button button-primary" target="_blank">
+                    <?php _e('Download Latest Version', 'minecraft-modern-theme'); ?>
+                </a>
+                <a href="https://git.viper.ipv64.net/M_Viper/Minecraft-Modern-Theme/releases" class="button" target="_blank">
+                    <?php _e('View Release Notes', 'minecraft-modern-theme'); ?>
+                </a>
+            </p>
+        </div>
+        <?php
+    }
+}
+add_action('admin_notices', 'minecraft_modern_show_update_notification');
+
+// Funktion zum Hinzufügen eines Update-Status-Widgets zum Dashboard
+function minecraft_modern_add_dashboard_widget() {
+    wp_add_dashboard_widget(
+        'minecraft_modern_update_widget',          // Widget slug.
+        'Minecraft Modern Theme Status',           // Title.
+        'minecraft_modern_update_widget_function'  // Display function.
+    );
+}
+add_action('wp_dashboard_setup', 'minecraft_modern_add_dashboard_widget');
+
+// Funktion zum Anzeigen des Inhalts im Dashboard-Widget
+function minecraft_modern_update_widget_function() {
+    // Aktuelle Theme-Version abrufen (JETZT AUS UNSERER KONSTANTE)
+    $current_version = MINECRAFT_MODERN_THEME_VERSION;
+    
+    // Neueste Release-Informationen abrufen
+    $latest_release = minecraft_modern_get_latest_release_info();
+    
+    echo '<p><strong>' . __('Current Version:', 'minecraft-modern-theme') . '</strong> ' . esc_html($current_version) . '</p>';
+    
+    if (!empty($latest_release) && isset($latest_release['version'])) {
+        if (version_compare($current_version, $latest_release['version'], '<')) {
+            echo '<p><strong>' . __('Latest Version:', 'minecraft-modern-theme') . '</strong> <span style="color: #d63638;">' . esc_html($latest_release['version']) . '</span></p>';
+            echo '<p><strong>' . __('Status:', 'minecraft-modern-theme') . '</strong> <span style="color: #d63638;">' . __('Update Available', 'minecraft-modern-theme') . '</span></p>';
+            echo '<p><a href="' . esc_url($latest_release['download_url']) . '" class="button button-primary" target="_blank">' . __('Download Update', 'minecraft-modern-theme') . '</a></p>';
+        } else {
+            echo '<p><strong>' . __('Latest Version:', 'minecraft-modern-theme') . '</strong> <span style="color: #46b450;">' . esc_html($latest_release['version']) . '</span></p>';
+            echo '<p><strong>' . __('Status:', 'minecraft-modern-theme') . '</strong> <span style="color: #46b450;">' . __('Up to Date', 'minecraft-modern-theme') . '</span></p>';
+        }
+    } else {
+        echo '<p><strong>' . __('Status:', 'minecraft-modern-theme') . '</strong> ' . __('Unable to check for updates', 'minecraft-modern-theme') . '</p>';
+    }
+    
+    echo '<p><a href="https://git.viper.ipv64.net/M_Viper/Minecraft-Modern-Theme/releases" target="_blank">' . __('View All Releases', 'minecraft-modern-theme') . '</a></p>';
+}
\ No newline at end of file