Installing a new operating system over the old one can create problems with stability. Apple disregarded these concerns with the by only allowing the initial release in the Mac App Store for download.
![How To Create Apple Install Usb For Mac Os How To Create Apple Install Usb For Mac Os](/uploads/1/2/5/6/125614596/492274686.png)
A USB Flash drive version will become available in the future, but there is a way to get a clean install from a DVD or USB Flash Drive now with some effort. We will show you how to create your own installation DVD or USB Flash Drive.
For now those are your only two options since Macs won’t boot from an SD card. In the case of the Flash Drive we will also show you how to put two partitions on one 8GB or larger flash drive so that you will also have all your Mac apps on the drive ready to install after you install the OS.
![How to create apple install usb for mac os mojave How to create apple install usb for mac os mojave](http://cdn.osxdaily.com/wp-content/uploads/2015/06/make-windows-10-install-usb-drive-from-mac-os-x1.jpg)
Once you have created the USB boot installer drive for macOS High Sierra, you can either launch it immediately to install macOS High Sierra on the current Mac, reboot and startup from the USB installer drive, or eject it and use it on another Mac.