Minimum: Requires a 64-bit processor and operating system OS: Windows 7 SP1 (64-bit) Processor: 2.4 GHz Dual-Core 64-bit CPU Memory: 4 GB RAM Graphics: DX10 Compatible GPU with 1 GB VRAM DirectX: Version 10 Network: Broadband Internet connection Storage: 15 GB available space Additional Notes: Integrated graphic cards will have trouble running the game. Disk space will increase over time due to new content added.