OS: Windows 7/Vista/8/10 Processor: Intel Core 2 Quad CPU Q6600 @ 2.40GHz (4 CPUs) / AMD Phenom 9850 Quad-Core Processor RAM: 4 GB Hard Drive: 3 GB available space Video Card: NVIDIA GeForce 9800 GT 1GB / AMD Radeon HD 4870 1GB Network: Broadband Internet connection DirectX: Version 10