Where can I download Grand Theft Auto: Vice City?

You can't, it's illegal to do so. Well, okay, you CAN, but it's still illegal, so I won't be telling you how. You should pay for games, because if you don't, then the people who make the games won't be able to make games anymore, and then we'll all be left with nothing to play. Support your game developers, they work hard for your enjoyment.

I wouldn't recommend downloading it, but if you want you can download it illegal off of thepiratebay.com... Hope this helped you. Remember I don't recommend it. FYI GTA 1-5 stink.