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 ...
Ars Technica

How to make your own bootable macOS 10.15 Catalina USB install drive

PSA: for MOST use cases there is now a much easier solution. If your primary goal is just to download updates faster/not use up your limited data budget, and you have multiple Macs (otherwise why do ...
Cult of Mac

macOS Catalina 10.15.4 adds iCloud Drive folder sharing, time-synced lyrics, and more

Install macOS Catalina 10.15.4 on your iMac, MacBook, Mac mini... whatever you have. iCloud file sharing was already part of macOS, allowing multiple people to work with a single document stored on ...
Macworld

Why you need to install the Big Sur and Catalina security updates

If you are running Monterey you will probably be aware that there is an update to install – macOS 12.1 is here now (read about what’s in Monterey 12.1). That doesn’t mean that macOS Big Sur and ...