diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ae37a1..7156935 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,9 @@ jobs:
       - run: npm run dist
         env:
           CSC_IDENTITY_AUTO_DISCOVERY: false
+          # certificat de signature de code (secrets du dépôt) : sans eux, build non signé
+          WIN_CSC_LINK: ${{ secrets.WIN_CSC_LINK }}
+          WIN_CSC_KEY_PASSWORD: ${{ secrets.WIN_CSC_KEY_PASSWORD }}
       - uses: actions/upload-artifact@v4
         with:
           name: orbe-launcher-windows
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ae8bc54
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Yasser Boulayoune
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/build/icon.ico b/build/icon.ico
new file mode 100644
index 0000000..b32afab
Binary files /dev/null and b/build/icon.ico differ
diff --git a/build/installerHeader.bmp b/build/installerHeader.bmp
new file mode 100644
index 0000000..1163442
Binary files /dev/null and b/build/installerHeader.bmp differ
diff --git a/build/installerSidebar.bmp b/build/installerSidebar.bmp
new file mode 100644
index 0000000..27a1f4d
Binary files /dev/null and b/build/installerSidebar.bmp differ
diff --git a/electron-builder.yml b/electron-builder.yml
index 18fb020..c7638ec 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -1,5 +1,6 @@
 appId: fr.yasder5.orbelauncher
 productName: Orbe Launcher
+copyright: Copyright © 2026 Yasser Boulayoune
 directories:
   output: dist
   buildResources: build
@@ -13,14 +14,33 @@ extraResources:
 asarUnpack:
   - node_modules/koffi/**
 win:
-  icon: build/icon.png
+  icon: build/icon.ico
   target: [nsis, portable]
-  artifactName: ${productName}-${version}-${arch}.${ext}
+  publisherName: Yasser Boulayoune
+  # Signature : faite seulement si un certificat est fourni (variables WIN_CSC_LINK / WIN_CSC_KEY_PASSWORD, voir README)
+  signtoolOptions:
+    signingHashAlgorithms: [sha256]
+    rfc3161TimeStampServer: http://timestamp.digicert.com
 nsis:
   oneClick: false
+  perMachine: false
   allowToChangeInstallationDirectory: true
   createDesktopShortcut: true
+  createStartMenuShortcut: true
   shortcutName: Orbe Launcher
+  runAfterFinish: true
+  deleteAppDataOnUninstall: false
+  # fenêtre d'installation aux couleurs d'Orbe
+  installerIcon: build/icon.ico
+  uninstallerIcon: build/icon.ico
+  installerHeaderIcon: build/icon.ico
+  installerSidebar: build/installerSidebar.bmp
+  uninstallerSidebar: build/installerSidebar.bmp
+  installerHeader: build/installerHeader.bmp
+  license: LICENSE
+  installerLanguages: [fr_FR, en_US]
+  language: '1036'
+  multiLanguageInstaller: true
   artifactName: ${productName}-Setup-${version}.${ext}
 portable:
   artifactName: ${productName}-Portable-${version}.${ext}