minimal:
reqprocessor: Intel Core i3 550 @ 3.2 GHz / AMD Athlon II X4 620 @ 2.6 GHz
reqgraphics: nVidia GeForce GTS450 or AMD Radeon HD770 (1024MB VRAM with Shader Model 5.0 or higher)
reqmemory: 3 GB RAM
reqsystem: Windows Vista SP2 / 7 SP1 / 8 / 8.1

recommended:
reqprocessor: Intel Core i5 2400s @ 2.5 GHz / AMD Phenom II X4 955 @ 3.2 GHz
reqgraphics: nVidia GeForce GTX 560 Ti or better / AMD Radeon HD7850 or better
reqmemory: 4 GB RAM
reqsystem: Windows Vista SP2 / 7 SP1 / 8 / 8.1