If you do not activate your copy of Windows, you cannot change the Theme, wallpaper, etc., from the Windows Settings. However, if it is required for you to change the theme without activating Windows ...

If you want your Windows 11 PC to automatically switch themes based on the time of day, use Task Scheduler or a free third-party app. I’ll show you how to do that, including how to make your desktop ...

You can brighten up your Windows 11 desktop with the so-called themes. These are unified combinations of background image(s), colors for the various interface elements (like the taskbar and title bar) ...