Instructions say:
7. Open it and enter the email and password you made in the 9.4.0.144
8. It will say that it imports your licenses and now it lets you download the full EU map as the license you entered was a FULL EU license. (If it gives error, just try Again a few times and it will succed).

I had made a Premium License before for version 9.6.2.957 I did not make a new one
Not sure email and pass, made with previous 9.6.2.957 may work.