It is available from GitHub and Microsoft Store (Windows 11 only). You can fix that by using a wonderful tool called Windows Auto Dark Mode. Tip: Windows 11 still does not offer automatic theme switching based on custom hours or sunset/sunrise. In that folder, you will find two variants of the default Windows wallpaper 'Gloom.' One is for the light theme, and another one is for the dark theme.You can copy the path and paste it into the address bar. Go to the C:\Windows\Web\4K\Wallpaper\Windows folder.Download all Windows 11 stock wallpapers Find Default Wallpapers in Windows 11