How to switch between JJ 2 and Akai OS?

I bought a used 2500. It has JJ OS 2 installed, but i would just like to see what the Akai OS looks like.

The short answer is DONT.
But if your new to it and you have manual and want to get to know the MPC then simply load akai OS which is downloadable from their website of course.
Also check that you have the latest update for your JJOS as well by following the links on the top of the main forum page.
You will appreciate JJOS more though after the akai OS crashes on you a few times.

bliprock wrote:
But if your new to it and you have manual and want to get to know the MPC then simply load akai OS which is downloadable from their website of course.

Yes, this is my first mpc. Will I be still able to use the JJ OS 2 after installing the akai os? I don't have serial codes or passwords.

If you can save then it has the password in the OS. Just follow the links for the different Os's and download them then follow relevant instructions provided.