Minimum: OS: Windows 7 64-Bit / Windows 8 64-Bit / Windows 8.1 64-Bit Processor: Intel® Core™ i3-530 @ 2.93 GHz / AMD Phenom™ II X4 810 @ 2.60 GHz Memory: 2 GB RAM Graphics: NVIDIA® GeForce® GTS 450 @ 1GB / ATI® Radeon™ HD 5870 @ 1GB DirectX: Version 9.0 Network: Broadband Internet connection Storage: 1 GB available space Sound Card: DirectX Compatible