Move Cloud Synced Rekordbox 6 to New Computer

Hey Team, 

I run two iMacs, a 2015 iMac and a 2020 iMac. 

Since 2015 my 2015 iMac has been the backbone of my music library management and used for managing all of my rekordbox work. 

I also used Dropbox for storing all of my music.

In 2020 upgraded to Rekordbox 6 with Cloud Sync. This was super easy since all of my music was in Dropbox.

I also, bought a new computer and installed Dropbox on it and thus it has all of my files synced.

So to recap, I have the following set up:

2015 iMac

- With Dropbox and All Files

- With Rekordbox and is how I've been managing my library.

2020 iMac

- With Dropbox and All Files

- Without Rekordbox

What is the process to move to manage everything from the new computer? I've searched for a loong time and can't find anything specifically about how to do this with Rekordbox 6 and Dropbox.

Thanks!

E