We strongly recommend that you buy the game so you can support the developershttps://store.steampowered.com/app/500/Left_4_Dead/
WHAT IS LEFT 4 DEAD
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.
HOW DO I INSTALL LEFT 4 DEAD ?
1. Click the green UploadHub button and you should be redirected to the Download.
2. Once LEFT 4 DEAD 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!