Yes you do download games to your computer. If something happens to that computer or you feel like installing it on a zillion computers you can do that though since the game is connected to your steam account, not just a single hard drive
"Everyone that posts here is aware of the game, thanks though." ET
Chad Dumeer, Deus Ex: "When government surveillance and intimidation is called "freedom from terrorism" or "liberation from crime", freedom and liberty have become words without meanings."
"Es lebe die Freiheit!"(Freedom lives)