The minimum specs (at 800×600 resolution @ 30FPS) are:
OS: Windows XP.
HDD: 10GB of free space (or more).
CPU: Intel Dual Core 1.8GHz (or higher) or AMD Athlon II X2 (or higher).
RAM: 1GB (or higher).
Video Card: DirectX 9.0c / Shader3.0 or higher compatible nVidia GF6600 (or higher) or ATi X1600 (or higher) with 256MB of RAM.
Sound: DirectSound compatible, DirectX 9.0c (or higher) compatible.
Input Devices: Mouse, Keyboard.
And the recommended specs (at 1280×720 resolution @ 60FPS) are:
OS: Windows Vista.
HDD: 10GB of free space (or more).
CPU: Intel Core2 Duo 2.60GHz (or higher) or AMD Phenom II X2 (or higher).
RAM: 2GB (or more).
Video Card: DirectX 9.0c / Shader3.0 or higher compatible nVidia GF8800 (or higher).
Sound: DirectSound compatible, DirectX 9.0c (or higher) compatible.
Input Devices: Gamepad (Xbox 360 Controller for Windows recommended).
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