HOW TO SET ANY VIDEO AS WALLPAPER IN WINDOWS 7 Just follow the steps given below: Download the Dream scene installer here. Extract and runInstall_Dreamscene_for_Windows_7.exe,It will ask to choose language, select English and hit OK Follow the steps in wizard, it will install software automatically. Now,after installation, select any.wmv(Windows Audio/Video file) videoand Right click >Set As Wallpaper.It only accepts video in.wmv format.