Category Archives: Uncategorized

Creating a macOS High Sierra installation ISO

By | January 19, 2018

Over the years I have created/extracted installation ISOs from the downloadable upgrades that Apple uses. Each time something changes slightly. I searched on the web and found lots of broken instructions from the Beta period. Finally I found one that “worked” at MacRumors.  But it doesn’t work. So I stepped through it line by line,… Read More »