Steam, Amazon.com and GameStop.com all sell "Left 4 Dead 2" for PC, as of 2015. Steam sells "Left 4 Dead 2" through its computer gaming platform, while Gamestop.com sells a digital game code for downloading the game. Amazon.com sells both a digital download and a physical copy of the game.
Although the inventory is subject to frequent changes, eBay vendors and users sell new and used physical copies of "Left 4 Dead 2" for PC and offer several versions of the game including the original, an uncut option and a Game of the Year edition. There is also a listing for a "Left 4 Dead 2" gaming computer built with components giving users the recommended specifications for playing “Left 4 Dead 2.”