Okay i have windows 8 pro, my pc is very fast 4 gb ram dual core with very good graphics card, its a gaming pc.

I installed windows 8 and i mainly dj on it, so i run some programs (traktor or wavepad) and even after closing them windows starts being so slow and sticky, windows explorer stops responding, start screen freezes etc... and then they say windows is better than mac... yeah... with 99 problems. please help.