The System Requirements.

Min Spec:
• nVidia Geforce 4 with 128MB (or ATI equivalent)
• 1.8GHz Intel Pentium CPU (or AMD equivalent)
• 512MB RAM
• 2GB Hard Disk space
• Windows XP with DirectX9

Recommended:
• nVidia Geforce 8600 with 256MB (or ATI equivalent)
• 2.4GHz Intel Core2 Duo CPU (or AMD equivalent)
• 2GB RAM
• 2GB Hard Disk space
• Windows XP or Windows Vista

*system requirements are subject to change*
*due to programming optimisation for smoother performance across a wider range of hardware, minimum requirements may change over time*

Please note the majority of on board graphics chips in testing have not been able to run FS now might be the time to buy that graphics card you have been considering purchasing.