That would likely involve a major rewrite of the security features of the software. I honestly think it’s entirely unreasonable to go back to old discontinued software and rewriting it just because someone wants to run it much, much later after the dongle has been left behind.
The most sensible and likely least costly thing to do would be to let the license server for eLiceners run for like a decade or so. That to me seems like the better solution. That way they can keep selling the physical dongles a little longer and if you need to run SX or whatever you can put an “old” license on your dongle and run it.
Then again, I think older projects open in newer versions, no? So v12 should suffice.