Minimum: OS: Vista SP2 / Windows 7.1 SP1 / Windows 8.1 (64-bit Operating System Required) Processor: Intel Core i5-2500k, 3.3GHz / AMD Phenom II X6 1075T 3GHz Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 670 (2GB) / AMD Radeon HD 7870 (2GB) Storage: 54 GB available space