PM 4.6.3, running under Windows XP SP2.
Looking in Control Panel > Add/Remove Programs, I've noticed that there are older versions of Photo Mechanic shown there. They have remained in Add/Remove programs after I've installed updates to PM. Right now I see entries for PM versions 4.5, 4.6, 4.6.1, 4.6.2.1, and 4.6.3.
Per advice I've seen here, on updating to newer versions I don't first uninstall the older ones -- I just install over the top of the current one (that is, always in the same directory as before).
If I use the 'remove' feature of Add/Remove programs for the older versions up to and including 4.6.2.1, will there be any ill effect on the current installation (4.6.3) -- either to contents of its directory tree or to its registry entries? My guess is that I'll be removing only old Registry entries but figured I'd best check first.
Does this mean it would be better to uninstall the current version before updating to a newer one? In that case I'd lose my current settings, presets, etc., right? I would want to avoid that if possible (unless there's a "back up all settings at once" sort of command that would preserve all of them for later importing).