For example, Windows 11 doesn't natively support animated wallpapers ... and access to creations from the Steam Workshop, ...

Wallpaper Engine is a great tool for adding animated wallpapers to your Windows desktop. Users can get access to many community-created wallpapers to customize and make their system look unique.

and the only way to currently get animated wallpapers in Windows is to install a third-party app like Wallpaper Engine. Microsoft used to support videos as wallpapers with its Windows DreamScene ...