Minimum: OS:Microsoft Windows XP, Vista, 7 Processor:CPU: 2.0 GHz Memory:1 GB RAM Graphics:NVidia GeForce 6 series or better, ATI Radeon R520 (X1300-X1950) or better, Intel GMA X3000 or better. Requires at least Pixel-Shader 3.0. DirectX®:9.0c Hard Drive:3 GB HD space Sound:DirectX 9.0c Compatible Other Requirements:Broadband Internet connection