Minimum:Requires a 64-bit processor and operating system OS: Windows XP Processor: 2 Ghz CPU. VR: Intel Core i5-4590 (AMD FX 8350) or better Memory: 4 GB RAM Graphics: OpenGL 1.2.1 compatible GPU with 512 MB of video RAM. VR: GeForce GTX 970 (AMD Radeon R9 290) or better DirectX: Version 8.1 Storage: 2 GB available space