OS: XP / Vista / 7 Processor: 2 GHz Intel Pentium 4 / AMD Athlon 64 Memory: 1GB RAM Hard Disk Space: 350 MB Video Card: 256 MB Shader Model 2.0 (Geforce 6 series, Radeon X1000 series) DirectX®: DirectX® 9.0c Sound: DirectX® 9.0c compatible sound card