Windows XP SP2/Vista; Pentium IV 2,8 GHz (3.2 GHz for Windows Vista) / Intel Core 2 GHz (2.2 GHz for Windows Vista) / Athlon 2800 (3200 for Windows Vista); 1 GB of RAM; 4 GB hard disk space; Video-level GeForce 6800 GT / Radeon 9800 Pro (Radeon X800 for Windows Vista) with 256 MB of memory; DirectX 9.0c – compatible sound card; DirectX 9.0c/DirectX 10; Keyboard; Mouse