diff --git a/README.MD b/README.MD
index da8b51f..ed3aa18 100644
--- a/README.MD
+++ b/README.MD
@@ -27,6 +27,16 @@ Jeu d'entraînement aux tables de multiplication (Kotlin Multiplatform, Android
 
 Ouvrir `iosApp/iosApp.xcodeproj` dans Xcode et lancer le scheme `iosApp` sur un simulateur.
 
+### macOS desktop
+
+Lancer l'application en fenêtre (480×800) depuis le terminal :
+
+```bash
+./gradlew :desktopApp:run
+```
+
+Les données sont stockées dans `~/.livrets/`.
+
 ## Tests
 
 ```bash
diff --git a/desktopApp/build.gradle.kts b/desktopApp/build.gradle.kts
new file mode 100644
index 0000000..db1fd7f
--- /dev/null
+++ b/desktopApp/build.gradle.kts
@@ -0,0 +1,27 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
+plugins {
+    alias(libs.plugins.kotlin.jvm)
+    alias(libs.plugins.compose.compiler)
+    alias(libs.plugins.compose.multiplatform)
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+kotlin {
+    compilerOptions { jvmTarget.set(JvmTarget.JVM_17) }
+}
+
+dependencies {
+    implementation(project(":sharedUI"))
+    implementation(compose.desktop.currentOs)
+}
+
+compose.desktop {
+    application {
+        mainClass = "com.livrets.desktop.MainKt"
+    }
+}
diff --git a/desktopApp/src/main/kotlin/com/livrets/desktop/Main.kt b/desktopApp/src/main/kotlin/com/livrets/desktop/Main.kt
new file mode 100644
index 0000000..879c29b
--- /dev/null
+++ b/desktopApp/src/main/kotlin/com/livrets/desktop/Main.kt
@@ -0,0 +1,20 @@
+package com.livrets.desktop
+
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.application
+import androidx.compose.ui.window.rememberWindowState
+import com.livrets.App
+
+fun main() = application {
+    Window(
+        onCloseRequest = ::exitApplication,
+        title = "Livrets",
+        state = rememberWindowState(width = 480.dp, height = 800.dp),
+    ) {
+        App(filesDirPath = storageDir())
+    }
+}
+
+private fun storageDir(): String =
+    System.getProperty("user.home") + "/.livrets"
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 14213ac..42aee1b 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -30,4 +30,5 @@ dependencyResolutionManagement {
 }
 include(":sharedUI")
 include(":androidApp")
+include(":desktopApp")