Minimum: OS: Windows XP, Windows Vista, Windows 7 Processor: 1.8 GHz Intel Core2 Duo or 2.4 GHz AMD Athlon X2 64 Memory: 1.5 GB Windows XP / 2 GB Windows Vista, Windows 7 Graphics: 256 MB DirectX 9.0c–compliant video card (512 MB recommended) (see supported list*) DirectX®: DirectX 9.0c Hard Drive: 10 GB Sound: DirectX 9.0c–compliant sound card Peripherals Supported: Mouse, keyboard, headset, 12-button gamepads with analog sticks Internet Connection: Broadband Internet connection *Supported Video Cards at Time of Release: NVIDIA GeForce 7800 / 7900 / 8 / 9 / GTX series ATI RADEON X1800 / X1900 / HD 2000 / HD 4000 / HD 5000 series ATI HD 3000 NOT supported at time of release. Laptop versions of these cards may work but are NOT supported. These chipsets are the only ones that will run this game.