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.

UTM is a cross-platform emulator that allows you to run macOS, Windows, or Linux. Here's how to use it to run very old versions of Apple's Mac operating system. But there's another great free OS ...

Got an old Mac that badly needs a software update? Apple finally dropped the $19.99 fee for Mac OS X Lion and Mountain Lion, allowing users to download them for free for the first time. OS X Lion made ...