What is wallpaper-engine?

This repository distributes an unofficial free version of Wallpaper Engine, a Windows application that lets you set animated or interactive images as your desktop wallpaper instead of a static image. Wallpaper Engine is a popular paid application sold on Steam, this is a community-released version described as free. The application supports animated wallpapers, video wallpapers, and wallpapers that react to audio playing on your computer. It is designed to work at high resolutions up to 4K and 8K and is described as using low amounts of CPU and GPU resources. Other listed features include support for multiple monitors, the ability to create custom wallpaper scenes, keyboard shortcuts, automatic pausing when you switch to a fullscreen application, and integration with Razer Chroma and Corsair iCUE lighting hardware. The README states it supports Steam Workshop content, which is the community sharing system built into Steam where creators upload wallpapers that others can download and use. Installation is straightforward: download a zip file from the releases section, extract it, and run the included executable as an administrator on Windows 10 or 11. The README includes a prominent disclaimer stating this is an unofficial version, that it is not affiliated with Steam, Valve, or the original developers, and that users should consider purchasing the original on Steam to support the developers. It asks users to use it at their own risk.