Supported OS: Windows XP (with SP3) / Windows Vista / with SP1 Processor: Core2 Duo 3 GHz or higher RAM: 1024 MB RAM / 2048 MB for Windows Vista Video Card: 512 MB video card with Shader Model 3.0 GeForce 7900 GT with support Shader Model 3.0 and DirectX 10 Sound Card: DirectX 9.0c DirectX Version: DirectX 10.0 or DirectX 9.0c Hard Drive Space 6 GB Laptop models of these cards are not supported but may work. Not compatible with all Integrated Sound / Graphic Cards