System Requirements: * Operating system Microsoft � Windows � XP / Vista * CPU Pentium � 4 3 GHz or equivalent Athlon � 64 * 1 GB of RAM * 5.5 GB of free hard disk space * 3D-graphics adapter with 256 MB memory that supports pixel shaders3.0, compatible with DirectX � 9.0c (GeForce 6800GS or RadeonX1600XT...