CPU: 
1.5 GHz Athlon XP or Pentium M or 2 Ghz Pentium 4
GPU: 
DirectX 8.0/8.1 compliant or low-end DirectX 9 3D accelerator (nVidia GeForce3 and 4 series (not MX), GeForceFX 5200 through 5700 series, ATI Radeon 8500 through 9200 and X300 series, S3 DeltaChrome or XGI Volari)