You can buy an application wallpaper engine in the store, then start the application and add wallpaper in the creative workshop.

Steam platform is a game platform developed and designed by Bram Cordan, the inventor of BitTorrent(BT download) hired by Valve Company. Steam platform is one of the largest comprehensive digital distribution platforms in the world. Players can buy, download, discuss, upload and share games and software on this platform.

Steam is an integrated game download platform. In 2002, Steam system and CS 1.4 Beta came out together. So far, the operation of Steam has been very successful and extensive, and the games of countless game publishing companies have been released and updated on this platform.