

Other users can join the Public Beta for free. Once installed on your computer, it will begin downloading the Developer Beta.

Paid developers can download the Beta Access Utility from the Apple Developer portal downloads section. If you want to download a Beta version instead, the process is slightly different: How to create a macOS Catalina installerġ) Download the Install macOS Catalina application from the Mac App Store. A USB thumb drive is usually best for this, but you could also use an SD card or an external hard drive partition. To get started you’ll need the Install macOS Catalina application and an external storage drive larger than 8GB. 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. This guide will show you how to make an install drive from the macOS Catalina 10.15 application.
