I purchased the v3 then upgraded from version 3 to version 4.
I clearly have a 1password4 version key, or at least that is what my 'issued invoice' states.
(issued from your web store:1Password 4 for Mac, Single User License)
But when I try to upgrade to version 5, it says I have a version 3 license & have to upgrade to version 4 first or pay for a full version5
However when I loaded in my version '3' license into version 5, it stops working for a couple of days (demo messages).... then magically it opened the full version 5 program.!!!!
i'd like to pay for a further upgrade from V4 to V5 but I cannot process the license!!