OS: Windows 7 SP1 (64bit) Processor: Intel Dual-Core 2.4 GHz or AMD Dual-Core Athlon 2.5 GHz RAM: 4 GB Hard Drive: 32 GB available space Video Card: NVIDIA GeForce 9800GT / AMD Radeon HD 5670 / Intel HD Graphics 4000 with 512 MB VRAM DirectX: Version 10