OS: Windows 7/Vista/8/10 (64-Bit only) Processor: Intel Core 2 Quad Q8400 @ 2.66Ghz or AMD Phenom II X4 940 @ 3.0Ghz RAM: 6 GB Hard Drive: 25 GB available space Video Card: 1 GB, Nvidia Geforce GTX 460 / AMD Radeon HD 5770 /Intel Iris Pro HD 5200 DirectX: Version 11