Minimum OS: Windows XP/Vista/7 Processor: Dual Core 2.3 GHz or better Memory: 2 GB Graphics: 256 MB SM 3.0 DX9 Compliant NVIDIA® GeForce 7800 GTX or better ATI® Radeon® HD 2900 GT or better DirectX®: DirectX 9.0c Hard Drive: 23 GB free hard drive space Sound: Windows Supported Sound Card Other: Broadband Internet Connection required