System requirements: OS: Microsoft Windows XP/Vista/7; Processor: Pentium 4 2.4 GHz or equivalent Athlon 64; Memory: 512 MB; Graphics: 3D-graphics adapter with 256 MB memory, compatible with DirectX 9.0c (GeForce 6600 or Radeon X1600); Audio: Sound device compatible with DirectX 9.0 Disk Space: 140 mb