WindowsOS: Windows XP (SP3)Processor: 2.5 GHz (Single Core) or 2 GHz (Dual Core)Memory: 1 GB RAMGraphics: OpenGL 2.0 compatible with 256 MB RAM, Shader Model 2.0 Support (Shared Memory is not recommended)DirectX: Version 9.0cHard Drive: 1700 MB available spaceSound Card: DirectX 9.0c compatible