sims 3 crack

Hi all can some one tell me how to crack sims 3 ive downloaded it and got it to install, used the key gen to get a serial but when you come to play the game it says serial is invalid what am i doing wrong thanks guys
Answer #1
Are you trying to play online?
If not..Get the crack here:
http://www.gameburnworld.com/gp/gamefixes/sims3.shtml
Answer #2
no not trying to play online but when you open the game up it does go on line for something, give me a min ill check out your link thanks
how do i know what version i need