In the age of USB-C, it’s preferable that you use a USB flash drive with a USB-C connection if possible. Flash driveīefore beginning you’ll need to acquire a USB flash drive. Follow our easy-to-use step-by-step video tutorial for the details. This hands-on tutorial will work with both the macOS Catalina developer beta, the macOS Catalina public beta, and the final version of macOS Catalina scheduled to launch later this fall.
Creating a bootable macOS Catalina USB install drive is an effective way to generate a clean installation of macOS on your Mac.