i never tried the demo but the full game runs fine for me.How does the performance of the game stack up to the demo? tried the demo today and it runs like a dog. Have Patches etc improved this Jonney?
Also, do i need the original Arma 2 for arrowhead?
Also, Nismo i found this, maybe come in handy for you i know it will for me
Sanders54's ArmA 2 optimization, how to force SLi/Crossfire and other FPS tweaks - Overclock.net - Overclocking.net