Have a look at Assassins fantastic guide on how to configure Dosbox: https://digiex.net/computing-sectio...indows-guide-setting-up-mounting-cd-help.html
well, we need to know what the problem is before we can offer solutions. whats your setup and what OS are you using? how are you trying to run the program and what happens when you do?
As no one is really sure what you have done or not done have a look at this screenshot and try to workout what your doing wrong: (2. is the Dosbox config which Assassins guide explains how to get to) As Icharus says we need details.... Then hopefully we can get you playing....