It’s been awhile since I did a post regarding a macOS upgrade. In fact, it’s been GASP 4-years, so I thought it might be fun to take stock and do a deep dive on how I did the upgrade. So let’s get to it!

The Boot Disk

For starters, I downloaded the new OS and created a bootable install disk on a thumb drive. This way I didn’t have to perform multiple downloads for each machine and I could have a boot disk handy in my “jump bag” when I travel.

On the day that the new macOS was available, I downloaded it to my laptop and then followed the guide on 9to5Mac.com to create the disk on a new 8GB thumb drive I bought from Amazon. The 9to5 guide was great for people who aren’t that comfortable with the Terminal due to the fact that they had a drag-and-drop style that saved a ton of typing.

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