MC 4000 DJay Pro Windows Issues

Couple of issues I am having. Main one is I don’t have the ability in DJay Pro to cue my music. I am wondering if that is because I am using the demo mode. Just trying it out to see if I want to purchase it. Other thing is the library knob does not play well with DJAY. I tried to tweak the midi mapping with no luck. Anyone else having these issues?