Microsoft will soon retire its website for downloading free themes and wallpapers. Instead, the company will promote a themes section within the Microsoft Store.
In context: Nearly every major operating system comes with sleek live wallpapers ... Kisselev also revealed that the wallpaper engine was designed to adapt seamlessly to both light and dark ...
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 ...
Unfortunately, dynamic wallpapers as a feature is yet to actually ship for Windows 11, suggesting the feature may have been canceled, or at the very least postponed.