Minimum: OS: Windows® XP / Windows Vista® / Windows® 7 Processor: 3.0 GHz Pentium 4 or 1.8 GHz AMD Athlon64 3000+ Memory: 1 GB Windows XP / 1 GB Windows Vista – Windows 7 Graphics: 256 MB DirectX® 9.0-compliant card with Shader Model 3.0 or higher (*see supported list) DirectX®: DirectX 9.0c or higher Hard Drive: 1.6 GB Sound: DirectX 9.0-compliant sound card *Supported Video Cards at Time of Release: ATI Radeon™ HD 2000/ HD 3000/ HD 4000/ HD 5000/ HD 6000 series NVIDIA® GeForce® 7600GS / 8 / 9 / 100 / 200 / 300 / 400 / 500 series