Per this SO question:
https://stackoverflow.com/questions/69998267/postgresql-9-6x-installers-for-windows-are-no-longer-available?noredirect=1#comment123739665_69998267
and follow up question to list:
https://www.postgresql.org/message-id/CAKjsY4kbrNqTwFL%3DHViYC9kGgctnONnCtgnR0Mge6TXV4UU2Hg%40mail.gmail.com
Is there a reason this:
https://www.enterprisedb.com/downloads/postgres-postgresql-downloads
goes from 9.5.25 (Not supported) to 10.19 without a 9.6.x installer?
-- Adrian Klaveradrian(dot)klaver(at)aklaver(dot)com