Supported video formats: mp4, WebM, avi, m4v, mov, wmv (for local files, Workshop only allows mp4).

Wallpaper Engine can be used at the same time as any other Steam game or application.

Steam Workshop to share and download wallpapers.

Animate new live wallpapers from basic images or import HTML or video files for the wallpaper.

Create your own animated wallpapers in the Wallpaper Engine Editor.

Wallpapers will pause while playing games to save performance.

Multi monitor environments are supported.

Many aspect ratios and native resolutions supported including 16:9, 21:9, 16:10, 4:3.

Use interactive wallpapers that can be controlled with your mouse.Personalize animated wallpapers with your favorite colors.Bring your desktop alive with realtime graphics, videos, applications or websites.Choose an existing wallpaper or create your own and share it on the Steam Workshop! Various types of animated wallpapers are supported, including 3D and 2D animations, websites, videos and even certain applications. Wallpaper Engine enables you to use live wallpapers on your Windows desktop.

Windows 10 gif as wallpaper