OS:OS:Windows XP (SP2), Windows Vista (SP1), or Windows 7 Processor:WIN: 2.0 GHz P4 processor or equivalent for XP/2.4 GHz P4 processor or equivalent for Vista and Windows 7 Memory:2 GB RAM Graphics:Nvidia GeForce 6 series or better, and all NVidia G, GT, GTS, and GTX video cards. ATI Radeon™ series card 9500 series or better, and all ATI X, X1, and HD video cards; Intel® Graphics Media Accelerator (GMA): GMA 3-Series, GMA 4-Series. Please note that the GeForce 6100 and 7100 cards are not supported.