Windows
OS: Windows Vista (with Service Pack 2)/ Windows 7 (with Service pack 1), both 32 bit & 64 bit versions.
Processor: Intel Pentium D 3.0 Ghz or AMD Athlon64 X2 4400+ 2.2Ghz
Memory: 2GB Windows Vista or Windows 7
Graphics: 512 MB DirectX–compliant, Shader 4.0–enabled video card based on nVidia GeForce 8600 GTS/AMD Radeon HD 4650
DirectX: DirectX 11
Hard Drive: 25 GB
Sound: DirectX 11 – compliant sound card