diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 240b2d7..9e04f5d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,9 +35,22 @@ jobs:
           Copy-Item "dist/Real-Debrid-Downloader.exe" "release/Real-Debrid-Downloader.exe"
           Compress-Archive -Path "release/*" -DestinationPath "Real-Debrid-Downloader-win64.zip" -Force
 
+      - name: Install Inno Setup
+        shell: pwsh
+        run: |
+          choco install innosetup --no-progress -y
+
+      - name: Build installer
+        shell: pwsh
+        run: |
+          $version = "${{ github.ref_name }}".TrimStart('v')
+          & "C:\Program Files (x86)\Inno Setup 6\ISCC.exe" "/DMyAppVersion=$version" "/DMySourceExe=dist\\Real-Debrid-Downloader.exe" "/DMyOutputDir=release" "installer\\RealDebridDownloader.iss"
+
       - name: Publish GitHub Release
         uses: softprops/action-gh-release@v2
         with:
-          files: Real-Debrid-Downloader-win64.zip
+          files: |
+            Real-Debrid-Downloader-win64.zip
+            release/Real-Debrid-Downloader-Setup-*.exe
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/README.md b/README.md
index fb330be..e99f928 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,13 @@ Danach liegt die EXE in `dist/`.
 - Workflow-Datei: `.github/workflows/release.yml`
 - Bei Tag-Push wie `v1.0.1` wird automatisch eine Windows-EXE gebaut
 - Release-Asset fuer Auto-Update: `Real-Debrid-Downloader-win64.zip`
+- Zusaetzlich wird ein Installer gebaut: `Real-Debrid-Downloader-Setup-<version>.exe`
+
+## Auto-Installer
+
+- Im GitHub Release findest du direkt die Setup-Datei (`...Setup-<version>.exe`)
+- Setup installiert die App unter `Programme/Real-Debrid Downloader`
+- Optional erstellt Setup eine Desktop-Verknuepfung
 
 Beispiel:
 
diff --git a/installer/RealDebridDownloader.iss b/installer/RealDebridDownloader.iss
new file mode 100644
index 0000000..2b64e1d
--- /dev/null
+++ b/installer/RealDebridDownloader.iss
@@ -0,0 +1,47 @@
+#define MyAppName "Real-Debrid Downloader"
+#define MyAppExeName "Real-Debrid-Downloader.exe"
+
+#ifndef MyAppVersion
+  #define MyAppVersion "1.0.0"
+#endif
+
+#ifndef MySourceExe
+  #define MySourceExe "dist\\Real-Debrid-Downloader.exe"
+#endif
+
+#ifndef MyOutputDir
+  #define MyOutputDir "release"
+#endif
+
+[Setup]
+AppId={{C0E95B39-389E-4D2C-8E1E-12A44E8AE8E0}
+AppName={#MyAppName}
+AppVersion={#MyAppVersion}
+AppPublisher=Sucukdeluxe
+DefaultDirName={autopf}\{#MyAppName}
+DefaultGroupName={#MyAppName}
+OutputDir={#MyOutputDir}
+OutputBaseFilename=Real-Debrid-Downloader-Setup-{#MyAppVersion}
+Compression=lzma
+SolidCompression=yes
+WizardStyle=modern
+PrivilegesRequired=lowest
+ArchitecturesInstallIn64BitMode=x64compatible
+UninstallDisplayIcon={app}\{#MyAppExeName}
+
+[Languages]
+Name: "german"; MessagesFile: "compiler:Languages\German.isl"
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "Desktop-Verknuepfung erstellen"; GroupDescription: "Zusaetzliche Aufgaben:"; Flags: unchecked
+
+[Files]
+Source: "{#MySourceExe}"; DestDir: "{app}"; Flags: ignoreversion
+
+[Icons]
+Name: "{group}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"
+Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"; Tasks: desktopicon
+
+[Run]
+Filename: "{app}\{#MyAppExeName}"; Description: "{#MyAppName} starten"; Flags: nowait postinstall skipifsilent