CPU: Intel Core 2 Quad Q6600 @ 2.4 GHz or AMD Athlon II X4 620 @ 2.6 GHz

RAM: 2 GB 

OS: Windows 7 SP1 or Windows 8/8.1 (64bit versions only)

Video Card: nVidia GeForce GTS 450 or AMD Radeon HD 5670 (1024MB VRAM) or Intel HD Graphics 4600                     

Free Disk Space: 12GB

 CPU: Intel Core i5 2400s @ 2.5 GHz or better / AMD FX-6100 @ 3.3 GHz or better

RAM: 4 GB

OS: Windows 7 SP1 or Windows 8/8.1 (64bit versions only)

Video Card: nVidia GeForce GTX 560Ti (1024 VRAM) or better / AMD Radeon HD 6870 (1024 VRAM) or better                      

Free Disk Space: 12GB