Confirm the complete “Install macOS Mojave.app” installer file is located in the /Applications directory.Remember that creating a bootable MacOS Mojave USB installer drive will erase all data on the destination USB flash drive or volume, this is necessary in order for it to become the bootable installer disk.īuilding a macOS Mojave bootable install drive is relatively simple, here are the steps: How to Make a MacOS Mojave Installer USB Boot Drive Thus in such a situation you’d need to re-download the MacOS Mojave installer again from the Mac App Store (available in the Purchases tab), or download it to a different Mac. One thing to note is that if you originally downloaded the macOS Mojave installer and already used it to update the Mac it was downloaded on, the installer file itself will have deleted itself upon completion of updating to Mojave. Download MacOS Mojave installer to a Mac, the installer app must be located in the /Applications folder which is the default location ( direct App Store link here)īeyond those two simple requirements, you’ll need some familiarity with the command line, patience, an internet connection, and of course a Mac compatible with macOS Mojave.16GB (or larger) USB flash drive that you don’t mind formatting – you can get a USB flash drive from Amazon if you don’t have one, this drive will be completely erased to turn into the macOS Mojave installer boot drive.Requirements for making a bootable MacOS Mojave Installer Drive

This article will show you how to create your own macOS Mojave bootable install drive out of a USB flash key. These boot install drives allow for things like easily formatting a Mac to perform a clean install of macOS Mojave, installing macOS Mojave onto multiple Macs without them each having to download the installer, or even as a troubleshooting tool since it can be booted from by any compatible Mac at any time. Much like prior versions of Mac OS, you can easily create a bootable install drive for MacOS Mojave 10.14.

Create mac os usb bootable