If you have a spare hard drive lying around, you could use the existing recovery partition to install the OS on to that, even if just temporarily. If you have a friend with a Mac, he could download ...

macOS Monterey version 12 is a stable, lightweight upgrade that works great on older Macs, and you can use the direct DMG or ISO links to download, install, upgrade, or downgrade your system easily.

A number of readers with older Macs and slow dial-up connections are looking for an easy, cheap method to obtain older versions of the Mac OS installation CDs - Mac OS 8.1, Mac OS 8.5, and Mac OS 9 in ...