OS: Windows Vista/7/8 (both 32/64bit versions) Processor: Intel Core2Quad Q8400 @ 2.6 GHz or AMD Athlon II X4 620 Memory: 2 GB Video Card: Nvidia Geforce GTX 260 or AMD Radeon HD 4870, 512MB VRAM Sound Card: DirectX Compatible Sound Card with latest drivers DirectX Version: 10 Hard Disk: 30 GB available space