Minimum: OS:Microsoft Windows XP / Vista / Vista64 Processor:Intel core 2 duo 2.4GHz or higher Memory:1GB XP / 2GB Vista Graphics:DirectX 9 compliant video card with Shader model 3.0 support. NVidia 7600, ATI X1600 or better (Pre-Sandybridge Intel graphics chipsets not yet supported) DirectX®:9.0c Hard Drive:2 GB HD space Sound:DirectX 9.0c compatible sound card