Hi there,
I used plus in the past with the free LAB license. Then Netgate has changed the license model and get rid of the free plus license, so I have reinstalled my system (with full format) with CE version.
Few days ago I have upgraded to the latest CE version and now I see this in the dashboard:
The pfSense+ license is tied to the hardware via the Netgate ID. If you previously upgraded or bought second hand from someone who upgraded, it will continue to offer an upgrade.