OS: Windows XP SP3 /Vista SP2/7 SP1/8 (both 32/64bit versions) Processor: Intel Pentium IV 630 @ 3.0 GHz or AMD Athlon64 3000 + @ 1.8 GHz Memory: 2 GB RAM Graphics: nVidia GeForce 8800 GT or AMD Radeon HD2900 XT (512MB VRAM) DirectX: Version 9.0 Storage: 3 GB available space