Minimum: OS: Windows 7 SP1 (64bit) Processor: Intel Dual-Core 2.4 GHz or AMD Dual-Core Athlon 2.5 GHz Memory: 4 GB RAM Graphics: NVIDIA GeForce 9800GT / AMD Radeon HD 5670 / Intel HD Graphics 4000 with 512 MB VRAM DirectX®: 10 Hard Drive: 75 GB free space Audio: DirectX®-compatible on-board