Windows
OS: Windows Processor:Pentium 4 2.4 GHz Single Core processor or equivalent (2.8 GHZ for Vista/Win 7) Memory:512 MB or More (1 GB for Vista/Win 7) Graphics:DirectX 9.0c compatible Hard Drive:8 GB or more free space Sound:DirectX 9.0c compatible Video Card:128 MB or more memory and one of the following chipsets is required: Radeon HD 2400 or greater; NVIDIA 6800 GT or greater; DirectX 9.0c compatible card with Shader Model 3.0 support.