Can I just zip the entire mystic directory into 1 file as a backup mystic.zip? My hope is that
if I do that, I will have something to fall back on.
Yes that would be maybe even overkill but a good idea to do that if you can.
I assume I would then download the latest .zip update file, unzip it
into it's own directory
and do the upgrade from there, following the instructions of course.
I don't know which version you are upgrading to but yes you would unzip the new one in a temp directory and there should be an upgrade.txt to follow.
The upgrade between A46 and A47 is one of the more painful ones unfortunately. I waited too long in between releases on this one.
... Message encrypted: Press ALT-F4 to read encoded message
--- Mystic BBS v1.12 A48 2022/03/26 (Windows/64)
* Origin: Sector 7 * Mystic WHQ (1:129/215)