PORTAL IS FREE
For the love of God, if you've never played Portal, go claim your copy. It's for the PC and Mac.
http://store.steampowered.com/freeportal/
It doesn't matter if your computer can't handle it. Make a Steam account, claim your copy, and you'll own it until the end of time. Or until the end of Steam, whichever comes first.
http://store.steampowered.com/freeportal/
It doesn't matter if your computer can't handle it. Make a Steam account, claim your copy, and you'll own it until the end of time. Or until the end of Steam, whichever comes first.