MD> I installed v47 to a new directory separate from the main one.  I copied
 MD> all of the 
 MD> existing files to a backup directory.
 MD> 
 MD> The instructions say to  use a command:
 MD> install replace c:\mystic
 MD> ./install replace /mystic

So you don't have to install the new version to a temporary place.

You can simply unzip A47 to a temp directory and then from the temp directory run "./install replace /yourBBSdirectory" and it will copy over the new binary files.

There is an upgrade.txt (or should be) that will be in that temp directory with instructions but let me know if you are stuck or still have questions!

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--- Mystic BBS v1.12 A47 2021/12/25 (Windows/64)