OS: Windows XP/Vista Processor: Pentium 2 @ 2 GHz or Athlon Equivalent Memory: 256 MB Hard Drive: 4.3 GB Free Video Memory: 64 MB with T&L, Pixel Shader 1.1 Support (GeForce 4 Ti/Radeon 8500+) Sound Card: DirectX Compatible DirectX: 9.0c Keyboard & Mouse DVD Rom Drive