Least requirements:

OS: 64bit Versions of Windows 7, Windows 8, Windows 10
Processor: Intel Core i3 530 or AMD FX 4100
Memory: 8 GB RAM
Graphics: Nvidia GTX 460 or AMD HD 5870
DirectX: Version 11
Storage: 30 GB available space
Sound Card: DirectX Compatible Soundcard
Additional Notes: Supported Graphics Cards:  AMD HD5870 or better, HD6870 or better, HD7790 or better, R7 260 or better, R9 260 or better Nvidia GTX460 or better Series, GTX560 or better, GTX650Ti or better, GTX750 or better, GTX950 or better

RECOMMENDED requirements:

OS:  64bit Versions of Windows 7, Windows 8, Windows 10
Processor:  Intel Core i5 4690 or AMD FX 8320
Memory:  8 GB RAM
Graphics:  Nvidia GTX 980 or AMD R9 Fury
DirectX:  Version 11
Storage:  30 GB available space
Sound Card:  DirectX Compatible Soundcard
Additional Notes:  Supported Graphics Cards:  AMD HD5870 or better, HD6870 or better, HD7790 or better, R7 260 or better, R9 260 or better Nvidia GTX460 or better Series, GTX560 or better, GTX650Ti or better, GTX750 or better, GTX950 or better