ARMA II

System requirements
CPU: 2 GHz
RAM: 512 MB
Nvidia Geforce FX with 128 MB RAM & pixel shader 2.0, ATI Radeon 9500 with 128 MB of RAM & pixel shader 2.0
Free HD Space: 3 GB (or more as needed for downloadable addons)
Software: Windows XP or Windows 2000 and DirectX 9

Recommended Specification:
CPU: 3 GHz
RAM: 1 GB
Video Card: Nvidia 6800 and above or Ati x800 and above with at least 256 MB RAM
Free HD Space: 3 GB (or more as needed for downloadable addons)
Software: Windows XP and DirectX 9