Reply to help with setting up traktor s4

hi i used to dj 20 years ago on 1210s and have not touched any thing since then?i just got an s4 cant seem to con config my head phones or my active speakers?i have also just changed laptops from windows to mac book pro and every thing seems arse about face?i have been trying to set up for about a week so please some one give me a little help as am proper pissed off as all i want to do is play with my s4 and learn so please help!!!! and please bear in mind never used apple in my life and only had it 2-3 days.