Minimum: OS:Windows XP, Vista, Windows 7 Processor:Intel Core2 Duo, AMD Athlon 64 X2, 2GHz Memory:2 GB RAM Graphics:NVIDIA Geforce 8800, ATI Radeon 2900 XT, 512 mb Graphics Memory DirectX®:9.0c Hard Drive:5 GB HD space Additional:Internet connection required for online matchmaking.