OS: Windows 8.1 64 Bit, Windows 8 64 Bit, Windows 7 64 Bit Service Pack 1
Processor: Intel Core 2 Quad CPU Q6600 @ 2.40GHz (4 CPUs) / AMD Phenom 9850 Quad-Core Processor (4 CPUs) @ 2.5GHz
Memory: 4 GB RAM
Graphics: NVIDIA GeForce 9800 GT or higher performance / AMD Radeon HD 4870
DirectX: DirectX 10
Hard Drive: 65 GB available space