Steam

[Half Evil]

you mean because it is already on there right because that is what i want to do

well, if the game is on the computer, all you need is your account to have css on it and you're good.

if you go to a friends house and download stream powered onto his computer, you can use your account and download css onto his computer to use it.

all you need is your account with css purchased on it, and you can play it anywhere.

sorry if this is stupid but what is Css

counter strike source, made my valve.