Using Rekordbox on a second computer

I urgently need to access my Rekordbox files on a different computer because my own Mac is on the other side of the world. I´ve found out how to do it if I have my computer with me, but is there a way of doing it if not? To my mind there must be, what if I´d lost my original computer for example? I have my licence key activation & also a pen drive with my tunes on it from the original computer if that helps. Cheers!