Im on Activision site right now there seems to be no support and doesnt show system compatility, on game I own says XP, 2000 WIN. I have WIN 7 64 bit and have tried all compat modes, even downloaded some dx stuff, nothing seems to work so I uninstalled the game. It worked of course when my system was XP. Now when starting game, I can here tony moving and talking but cant see him or mansion. Once you get WIn 7 running new EVGA vid card cant go backwards.