However, if it is required for you to change the theme without activating Windows 11/10, this tutorial ... and want to turn on Windows 10 dark theme using Registry, you can follow this guide.

At times, you might want to prevent users from changing the theme in Windows 11/10 computers. If so, you can use the Registry Editor and the Local Group Policy Editor to block other users from ...

In summer 2016, Microsoft released its first major feature update for Windows 10 which introduced a brand-new dark theme toggle ... Run commands, the Registry Editor, Control Panel applets ...