so i just bought & downloaded The Gta 'Rockstar' pack off Steam and i downloaded gta iv first.
I went to play the game and it came up with i needed a serial number which i dont have. and i tried all the things it told me and still nothing.
"Notice: We are currently out of CD Keys for GTA IV and have contacted the publisher for more. Once CD Keys have been replenished, all purchasers will automatically receive a CD Key."