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.

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 ...

Creating a bootable USB drive let's you get hands-on experience with Linux without necessarily overwriting your system.

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

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.

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.