MF How it work ?
How it work ? 
Push button. Play music. Work good.
just like any midi controller:
plug to computer
set it up
trash your fingers with your mad skills
chicks love you
ok … How I set it up ? .. I’m a beginner (sorry for my bad english)
read manual.
I don’t have manual
then read about controller/midi mapping of your software of choice.
Seriously there’s way to much to it for someone just to tell you how it works. Plus everybody’s may work different depending on how they have it set to control whatever software they’re using.
Here’s a few of the things you can do with it
Please use the sticky threads photojojo stated.
OMG IT WORKING !!! it’s really complicated for a beginner.. but now I know how it works ! thank you to all those who took the time to answer me