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