How to Create a Bootable Install Drive for macOS High Sierra

Some Mac uses like to create a bootable USB installer drive for macOS High Sierra. A bootable install volume of macOS 10.13 allows users to perform a variety of tasks including formatting and clean installs, updating multiple Macs from the same USB flash drive installer (and without re downloading), and to use as a troubleshooting boot drive should the need arise, amongst other benefits for advanced and more technical users.
This walkthrough will detail how to make a bootable USB install drive for macOS High Sierra.
















