It's a feature-rich live wallpaper application Lively Wallpaper is a completely free and open-source application that can be used to set dynamic, interactive, and animated wallpapers on Windows.

It’s called Lively Wallpaper by rockdanister, and it’s a free app that transforms your Windows desktop with live, dynamic backgrounds.

If you're looking to make your desktop background more dynamic, you should try embedding a video with the open source app Lively Wallpaper.

Use Lively Wallpaper to set any YouTube video as a Windows wallpaper Lively Wallpaper is an app created by rocksdanister.