WindowsSupported OS:Â Windows XP (SP2), Windows VistaProcessor:Â 2.8 GHz Pentium 4 XP / 3.2 GHz Pentium 4 VistaMemory:Â 1 GB RAM XP / 1.5 GB Vista (2 GB recommended)Graphics:Â DirectX 9.0c compatible with Shader Model 3.0, requires 128 MB or more and contain one of these chipsets: Nvidia 6600 or greater, Radeon X1300 or greaterSound:Â DirectX 9.0c compatibleHard Drive:Â 4 GB of free space or more