User blog comment:TombRaiser/The Elder Scrolls Anthology - Arrives Sept. 10. 2013/@comment-6193778-20130803021248/@comment-3348732-20130805045825

You have to increase CPU speed on Dosbox for Arena. No matter how fast your computer is, if you don't increase the speed to 7000 (I think "Alt F12" or "Cntr F12" can't remember) it will be monstrously slow.