vivienne c

I recently bought Sims 3 and i have windows 7 . I installed it and when i clicked on the icon on the desktop a dialog box comes and says that this is not a valid win32 program. then i checked to see the problem on the help and it says that it is only compatible with windows xp. How can this be possible? i have all the requirements I have a laptop cq71 presario. Can someone help me. I want to play the game
10x