Left 4 Dead

System Requirements :

OS : Windows XP / Vista / Windows 7 / Windows 8 and 8.1

CPU : Core 2 Duo 2.4 GHz

RAM : 2 GB

Hard Disk Space : 1.2 GB

Download Link :

http://oceanofgames.com/left-4-dead-free-download/

Fix Video :

http://solvetube.com/how-to-install-LEFT-4-DEAD-game-without-errors/

CREDIT GOES TO :
OCEAN OF GAMES