Windows
OS: Windows XP, Windows Vista, Windows 7
Processor: 2 GHz Intel Pentium 4 / AMD XP 2600+ or better (Intel Core 2 Duo / AMD Athlon 64 X2 recommended)
Memory: 2 GB (4 GB recommended)
Graphics: 256 MB DirectX 9.0c-compliant, Shader 3.0-enabled video card (512 MB recommended)(*see supported list)
DirectX®:
Hard Drive: 8 GB
Sound: DirectX 9.0c-compliant sound card
Peripherals Supported: Windows-compliant keyboard and mouse
Internet Connection: Broadband Internet connection with 128 kbps upstream or faster
Supported Video Cards at Time of Release: NVIDIA GeForce 7900 / 8 / 9 / GT / GTS / GTX series // ATI Radeon X1900 / HD 2000 / HD 3000 / HD 4000 / HD 5000 series