diff --git a/src/window.ts b/src/window.ts
index 6c5e2ac..ab98eec 100644
--- a/src/window.ts
+++ b/src/window.ts
@@ -99,7 +99,7 @@ async function doAfterDefiningTheWindow() {
         console.log(process.platform);
         if (process.platform === "win32") {
             if (firstRun) {
-                // await setLang(Intl.DateTimeFormat().resolvedOptions().locale)
+                await setLang(Intl.DateTimeFormat().resolvedOptions().locale)
                 mainWindow.setSize(390, 470);
                 mainWindow.loadURL(`file://${__dirname}/content/setup.html`);
             } else {