MacOS 9

The best and most epic version of MacOS ever

last version of Classic MacOS

Links

Installation guide (by the community): https://www.emaculation.com/doku.php/ppc-osx-on-qemu-for-windows

MacOS 9 Lives forums (DieHard is The Owner of the forums): http://macos9lives.com/smforum/index.php

MacOS 9 Lives Loaded Image for qemu-system-ppc (forum topic): http://macos9lives.com/smforum/index.php/topic,6043.0.html