Minimum: OS:Windows Vista, Windows 7 Processor:2.0 GHz Intel® Core™2 Duo E4400 or 2.0 GHz AMD Athlon™ 64 X2 3800+ Memory:2 GB RAM Graphics:256 MB DirectX 9 / NVIDIA® GeForce® 8600 GT or ATI Radeon™ HD 2600 XT DirectX®:9.0 Hard Drive:12 GB HD space Sound:DirectX 9.0c-compliant