Ditch the window frame on win32

src/main-process/app-window.ts

@@ -9,16 +9,22 @@ export default class AppWindow {
 
   public constructor(stats: Stats) {
 
-    this.window = new BrowserWindow(
-    {
+    const windowOptions: Electron.BrowserWindowOptions = {
       width: 800,
       height: 600,
       show: false,
-      titleBarStyle: 'hidden',
       // This fixes subpixel aliasing on Windows
       // See https://github.com/atom/atom/commit/683bef5b9d133cb194b476938c77cc07fd05b972
       backgroundColor: '#fff'
-    })
+    }
+
+    if (process.platform === 'darwin') {
+        windowOptions.titleBarStyle = 'hidden'
+    } else if (process.platform === 'win32') {
+        windowOptions.frame = false
+    }
+
+    this.window = new BrowserWindow(windowOptions)
 
     this.stats = stats
   }