Windows
OS: Windows XP/Visa/7 
Processor: Intel Core 2 Duo 2GHz, AMD Athlon 64 X2 2Ghz (Intel Core 2 Duo 3GHz, AMD Athlon 64 X2 3Ghz or better recommended) 
Memory: 1GB for Windows XP, 2GB for Windows Vista/7 (2GB for Windows XP, 3GB for Windows Vista/7 recommended) 
Graphics: DirectX 9.0c compatible - Nvidia 8800GT /ATI 3850 (Nvidia GTX 260/ATI 4870 or better recommended) 
DirectX®: 9.0c 
Hard Drive: 8GB 
Sound: DX 9.0c compatible 
Multiplayer: 512kbs(broadband)