Minimum: Requires a 64-bit processor and operating system OS: Windows 8.1 64bits Processor: Intel Core 2 Duo E8400 or AMD Phenom II X2 550 Memory: 4 GB RAM Graphics: NVIDIA GeForce 8800 GT, 512 MB or AMD Radeon HD 5750, 1 GB DirectX: Version 9.0 Storage: 4 GB available space