Upgrading from 12 to 13

[pwartell]

I have 13 on my desktop and 12 on my airpro. I have the license key# how do I update my airpro to 13? do I have to buy another copy of 13? I don't see any place to upgrade from 12 and add my license key #. Any suggestions and thanks.

[Bob White]

You will use the same key..... Here is the info you need: https://www.leisterpro.com/doc/v-13/...ltiplemacs.php.