Getting tired of seeing that persistent notification in your Mac dock to remind you to upgrade to macOS 10.15 Catalina? It's possible to turn off that notification permanently without having to upgrade. All it requires is a little command-line tinkering, if you're up for it. Read on for details.
This guide will show you how to make an install drive from the macOS Catalina 10.15 application. Having an install drive allows for deployment to multiple computers without re-downloading, performing clean installs, and booting to the installer's built-in recovery tools for troubleshooting.