diff --git a/installer/PSLauncher.iss b/installer/PSLauncher.iss
index 5c6cb28..c657b02 100644
--- a/installer/PSLauncher.iss
+++ b/installer/PSLauncher.iss
@@ -35,7 +35,7 @@ DefaultGroupName={#MyAppName}
 DisableProgramGroupPage=yes
 OutputDir=output
 OutputBaseFilename=PSLauncher-Setup-{#MyAppVersion}
-SetupIconFile=
+SetupIconFile=..\src\PSLauncher.App\Resources\favicon.ico
 Compression=lzma2/ultra
 SolidCompression=yes
 WizardStyle=modern
diff --git a/src/PSLauncher.App/PSLauncher.App.csproj b/src/PSLauncher.App/PSLauncher.App.csproj
index e4fe86b..ecea27b 100644
--- a/src/PSLauncher.App/PSLauncher.App.csproj
+++ b/src/PSLauncher.App/PSLauncher.App.csproj
@@ -9,8 +9,11 @@
     <Nullable>enable</Nullable>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
-    <ApplicationIcon></ApplicationIcon>
+    <ApplicationIcon>Resources\favicon.ico</ApplicationIcon>
     <AssemblyName>PSLauncher</AssemblyName>
+    <Company>ASTERION VR</Company>
+    <Product>PROSERVE Launcher</Product>
+    <Copyright>© ASTERION VR</Copyright>
     <RootNamespace>PSLauncher.App</RootNamespace>
     <Version>0.7.0</Version>
     <AssemblyVersion>0.7.0.0</AssemblyVersion>
@@ -47,6 +50,7 @@
   <ItemGroup>
     <Resource Include="Resources\Background.png" />
     <Resource Include="Resources\pirulen.otf" />
+    <Resource Include="Resources\favicon.ico" />
   </ItemGroup>
 
   <!-- Après chaque `dotnet publish -c Release`, copie le single-file exe à la racine du repo
diff --git a/src/PSLauncher.App/Resources/favicon.ico b/src/PSLauncher.App/Resources/favicon.ico
new file mode 100644
index 0000000..e52ebcd
Binary files /dev/null and b/src/PSLauncher.App/Resources/favicon.ico differ
diff --git a/src/PSLauncher.App/Resources/favicon.jpg b/src/PSLauncher.App/Resources/favicon.jpg
new file mode 100644
index 0000000..2c37972
Binary files /dev/null and b/src/PSLauncher.App/Resources/favicon.jpg differ
diff --git a/src/PSLauncher.App/Views/LauncherUpdateDialog.xaml b/src/PSLauncher.App/Views/LauncherUpdateDialog.xaml
index 45d0322..81b7674 100644
--- a/src/PSLauncher.App/Views/LauncherUpdateDialog.xaml
+++ b/src/PSLauncher.App/Views/LauncherUpdateDialog.xaml
@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Mise à jour du launcher"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="500" Height="320"
         ResizeMode="NoResize"
         WindowStartupLocation="CenterOwner"
diff --git a/src/PSLauncher.App/Views/LicenseDetailsDialog.xaml b/src/PSLauncher.App/Views/LicenseDetailsDialog.xaml
index 1add959..8058abe 100644
--- a/src/PSLauncher.App/Views/LicenseDetailsDialog.xaml
+++ b/src/PSLauncher.App/Views/LicenseDetailsDialog.xaml
@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="License"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="500" Height="480"
         ResizeMode="NoResize"
         WindowStartupLocation="CenterOwner"
diff --git a/src/PSLauncher.App/Views/MainWindow.xaml b/src/PSLauncher.App/Views/MainWindow.xaml
index d4da573..26ab430 100644
--- a/src/PSLauncher.App/Views/MainWindow.xaml
+++ b/src/PSLauncher.App/Views/MainWindow.xaml
@@ -4,6 +4,7 @@
         xmlns:vm="clr-namespace:PSLauncher.App.ViewModels"
         xmlns:shell="clr-namespace:System.Windows.Shell;assembly=PresentationFramework"
         Title="PROSERVE Launcher"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Background="Black"
         Width="1280" Height="720"
         MinWidth="980" MinHeight="600"
@@ -494,6 +495,14 @@
                     Style="{StaticResource SecondaryButton}"
                     Content="🔄  Vérifier les MAJ"
                     Command="{Binding CheckForUpdatesCommand}" />
+
+            <!-- Copyright flottant en bas-droite, discret -->
+            <TextBlock HorizontalAlignment="Right" VerticalAlignment="Bottom"
+                       Margin="0,0,32,28"
+                       Text="© ASTERION VR"
+                       FontSize="11"
+                       Foreground="{StaticResource Brush.Text.Secondary}"
+                       Opacity="0.7" />
         </Grid>
 
         <!-- Footer : visible uniquement quand busy / status à afficher.
diff --git a/src/PSLauncher.App/Views/OnboardingDialog.xaml b/src/PSLauncher.App/Views/OnboardingDialog.xaml
index 53d42e2..fb988a4 100644
--- a/src/PSLauncher.App/Views/OnboardingDialog.xaml
+++ b/src/PSLauncher.App/Views/OnboardingDialog.xaml
@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Activation PROSERVE Launcher"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="540" Height="420"
         MinWidth="480" MinHeight="380"
         WindowStartupLocation="CenterOwner"
diff --git a/src/PSLauncher.App/Views/ReleaseNotesViewerDialog.xaml b/src/PSLauncher.App/Views/ReleaseNotesViewerDialog.xaml
index 48ad195..64c9edd 100644
--- a/src/PSLauncher.App/Views/ReleaseNotesViewerDialog.xaml
+++ b/src/PSLauncher.App/Views/ReleaseNotesViewerDialog.xaml
@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Notes de version"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="640" Height="540"
         MinWidth="480" MinHeight="400"
         WindowStartupLocation="CenterOwner"
diff --git a/src/PSLauncher.App/Views/SettingsDialog.xaml b/src/PSLauncher.App/Views/SettingsDialog.xaml
index 71de3ae..fda8493 100644
--- a/src/PSLauncher.App/Views/SettingsDialog.xaml
+++ b/src/PSLauncher.App/Views/SettingsDialog.xaml
@@ -3,6 +3,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:vm="clr-namespace:PSLauncher.App.ViewModels"
         Title="Paramètres"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="640" Height="720"
         MinWidth="540" MinHeight="500"
         WindowStartupLocation="CenterOwner"
@@ -234,6 +235,10 @@
                             <Run Text="Version : " />
                             <Run Text="{Binding LauncherVersion, Mode=OneWay}" FontWeight="SemiBold" />
                         </TextBlock>
+                        <TextBlock Text="© ASTERION VR — Tous droits réservés"
+                                   FontSize="12"
+                                   Foreground="{StaticResource Brush.Text.Secondary}"
+                                   Margin="0,4,0,0" />
                         <Grid Margin="0,8,0,0">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="*" />
diff --git a/src/PSLauncher.App/Views/UpdateAvailableDialog.xaml b/src/PSLauncher.App/Views/UpdateAvailableDialog.xaml
index 1333b67..2381b7f 100644
--- a/src/PSLauncher.App/Views/UpdateAvailableDialog.xaml
+++ b/src/PSLauncher.App/Views/UpdateAvailableDialog.xaml
@@ -2,6 +2,7 @@
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         Title="Mise à jour disponible"
+        Icon="pack://application:,,,/Resources/favicon.ico"
         Width="640" Height="540"
         MinWidth="480" MinHeight="400"
         WindowStartupLocation="CenterOwner"
diff --git a/src/PSLauncher.Updater/PSLauncher.Updater.csproj b/src/PSLauncher.Updater/PSLauncher.Updater.csproj
index 272d2d8..b1e0380 100644
--- a/src/PSLauncher.Updater/PSLauncher.Updater.csproj
+++ b/src/PSLauncher.Updater/PSLauncher.Updater.csproj
@@ -9,6 +9,9 @@
     <AssemblyName>PSLauncher.Updater</AssemblyName>
     <RootNamespace>PSLauncher.Updater</RootNamespace>
     <Version>0.5.0</Version>
+    <ApplicationIcon>..\PSLauncher.App\Resources\favicon.ico</ApplicationIcon>
+    <Company>ASTERION VR</Company>
+    <Copyright>© ASTERION VR</Copyright>
 
     <!-- Single-file self-contained pour le publish (~10 Mo) -->
     <PublishSingleFile>true</PublishSingleFile>
diff --git a/src/favicon64.jpg b/src/favicon64.jpg
new file mode 100644
index 0000000..2c37972
Binary files /dev/null and b/src/favicon64.jpg differ