How-To How to create a bootable USB macOS installer Make a macOS installer with createinstallmedia and install Sequoia, the latest beta, or any macOS on multiple Macs, or do a clean install.

Once the process is finished, you’ll have a working macOS High Sierra bootable USB install disk that can be used to install macOS High Sierra beta on any Mac that supports it.

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends.

We’ve already covered how to do this from the command line (See How to create a bootable USB to install OS X), but I wanted to give those with a fear of the command line a way to do the same thing.