Portal 2

System Requirements :

OS : Wndows 7

CPU : Pentium 4.3 GHz, Dual Core

RAM : 2 GB

Hard Disk Space : 10 GB

Download Link :

http://oceanofgames.com/portal-2-pc-game-free-download/

Fix Video :

http://solvetube.com/how-to-install-Portal-2-game-without-errors/

CREDIT GOES TO :
OCEAN OF GAMES