Recommended:
* 3 Ghz Intel Pentium 4 or equivalent processor
* 1 GB System RAM
* ATI X800 series, NVIDIA GeForce 6800 series, or higher video card
You have 6600 series, it'll run, but not so smoothly
Minimum System Requirements:
* Windows XP, Windows 2000, Windows XP 64-bit
* 512MB System RAM
* 2 Ghz Intel Pentium 4 or equivalent processor
* 128MB Direct3D compatible video card
* and DirectX 9.0 compatible driver;
* 8x DVD-ROM drive
* 4.6 GB free hard disk space
* DirectX 9.0c (included)
* DirectX 8.1 compatible sound card
* Keyboard, Mouse