We strongly recommend that you buy the game so you can support the developershttps://store.steampowered.com/app/550/Left_4_Dead_2/
WHAT IS LEFT 4 DEAD 2
Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
HOW DO I INSTALL LEFT 4 DEAD 2 ?
1. Click the green UploadHub button and you should be redirected to the Download.
2. Once LEFT 4 DEAD 2 is finished downloading, extract the .rar file. (You will need WinRar, you can get it here
3. Once its extracted, go into the games folder and right click the game and run it as administrator and Enjoy!