OK, thanks.
My last hurdle is trying to get back my old mysql tables/data, from my backed up (old) wamp directory.
New version installed under wamp64.
I searched, and read to just copy/paste the old wamp/bin/mysql/mysql5.6.12
to:
wamp64/bin/mysql/mysql5.6.12
and then select that version after restarting.
I tried that and it never fully started all 3 services again. I could a
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