NewWorld MacOS Installation Files For floppy-less installation on NewWorld Macs, it may be most convenient to obtain all the necessary files packaged into one Stuffit archive from (separate instructions are included in the archive). Otherwise, obtain the normal installation files listed above. Retrieve the files to an HFS (not HFS+) partition on your system. You will also need the yaboot and yaboot.conf files from the new-powermac or powermac archive folder. However, the newest G4 PowerMacs, and those that work without MacOS 9, need the newest version of yaboot; the one in the archive will not work. Obtain the newest version from .