Grand theft auto download?

i want to know how to download grand theft auto for free online i want the full version were theres no trial period or anything i want it like ummmmmmmmmmmm a full pc game who gives me it will be the best awser please help by the way i don't care wich one it is like vice city or something i don't care which one there is i just want to play grand theft auto on the computer i don't want to buy it andi don't want a cartoon internet one so please help