With Mac OS X Lion and a new piece of free software, it’s easier than ever to create a USB keychain that you can boot from.

A macOS Catalina USB install drive is a great tool to have on hand to for quick and easy macOS 10.15 reinstalls. We show you how in this video tutorial.

If you have more than one Mac you want to upgrade to macOS 10.15 Catalina but don't want to waste so much bandwidth downloading it for each machine, one option is to create a bootable installer on ...

How to create a macOS Monterey USB Install drive for quick and easy installations of Apple's latest operating system for Mac.