MINIMUM Supported OS: Microsoft(R) Windows(R) XP/Vista Processor: 1.5 GHz Intel Pentium III or AMD Athlon processor RAM: 512MB RAM Hard Drive: 2.5 GB available DirectX Version: 128 MB DirectX(R) 9 Compatible Video Card (NVIDIA(R) GeForce(R) FX 5600, ATI(TM) Radeon(TM) 9600 or Better) Sound: DirectX 9 or better compatible sound card RECOMMENDED Supported OS: Microsoft(R) Windows(R) XP/Vista Processor: 2.4 GHz Intel Pentium 4 or AMD Athlon processor RAM: 1024 MB Hard Drive: 2.5 GB available DirectX Version: 256 MB DirectX(R) 9 Compatible Video Card (NVIDIA(R) GeForce(R) 7800, ATI(TM) Radeon(TM) X1800 or Better) Sound: DirectX 9 or better compatible sound card