2) After clicking "show debug" this pop-up will appear. Click "Yes".
3) A button "unregister" will appear. Click it.
4) Then click "Exit Outlook now".
5) Once Outlook is restarted, follow the process to re-register your license.
...or if you're transferring a license, then open Outlook on the computer where you'd like to transfer your license and finalize the process there.