Minimum: OS: Windows Vista (SP2) Processor: Intel Core i3-530 @ 2.93 GHz / AMD Phenom II X4 810 @ 2.60 GHz Memory: 6 GB RAM Graphics: NVIDIA GeForce GTS 450 / ATI Radeon HD 5870 (1GB VRAM) DirectX: Version 11 Storage: 3 GB available space Sound Card: Compatible with DirectX 11