How to download and install older macOS versions on compatible Macs

If you've ever have to wipe the drive of a very old Mac, you know you need an old macOS to get it running again. Beyond ...
CNET

Mac OS X 10.4.1: Release Notes, difference between Software Update/download versions

On May 17th, Mac OS X 10.4.1, the first major update to Tiger. The release is available through Software Update, or as a standalone download [37 MB]. The new release includes the following ...
CNET

Mac OS X 10.4.1 (#2): Difference between Software Update and standalone download versions; Mail.app: Bundles now disabled; more

Difference between Software Update and standalone download versions There are two versions of Mac OS X 10.4.1 available. The version that can be obtained through Software Update is machine-specific (i ...
SlashGear

Mac OS X Lion And Mountain Lion Made Free For Download

Apple made Mac OS X Lion and Mac OS X Mountain Lion available for download for free here in the summer of 2021. This is the first time either version of the software was available for free. All ...