Steam is a free software for searching, downloading and updating games of various genres from the online store Valve. You will find both paid and free versions of games in the catalog.
Currently Steam catalog contains over than 3,500 games. They are divided by genre (action, strategy, racing, role-playing, adventure, etc.). You can view the description and ratings for the game, trailer, ranking among users and other data. Downloading of games can be carried out with the servers of the company Valve.