creating a mac flash boot disk for high sierra

Step # 1: Free download macOS Sierra and UniBeast tool latest version via above provided direct links to create the bootable macOS Sierra drive. A memory corruption issue has been fixed with improved memory handling. It is available for macOS High Sierra 10.13.1, macOS Sierra 10.12.6, OS X El Captain 10.11.6. This update gives a patch to an out-of-bounds read issue.

It is available for macOS High Sierra 10.13.1. Windows 10 is a very specific bootable media, so the process is a bit involved. Windows 10 bootable USB vs Linux ISO USB. All of these need to be done in the Terminal app. Here are the steps I had to take on my MacBook, originally procedure was written in macOS High Sierra, but I tested it in MacOS Mojave 10.14.2 as well. Generally, the latest version supports only the latest version of macOS if you want to install something older than macOS High Sierra, check the list of older versions and download one that’s compatible with your chosen operating system. The simplest way to create a boot USB drive is to download DiskMaker X and use it to create your drive.

Creating a mac flash boot disk for high sierra