Preparation Guide For macOS High Sierra Installation


| Deep Dive

Mop Up Operations

It’s reasonable to turn Time Machine back on at this point. But if you made a bootable clone before upgrading, you may want put it in a drawer and start your new backups on a new drive instead of overwriting it. That’s just to be sure you can return to your previous state with an archived bootable clone.

The Future is 64-bit

Apple has said that High Sierra is the last version of macOS that will support 32-bit apps. Our Macs a littered with these aging apps, and they won’t run in macOS 10.14, the next version after High Sierra, likely due out this time in 2018.

Going forward. you’ll probably want to catalog your 32-bit apps and monitor the developer’s website or the Mac App Store for the upgrades to 64-bit versions. Some apps may never be updated, so you’ll want to research modern, functional replacements.

To see which apps on your Mac are 32-bit, go to the Apple Menu, then About This Mac, then System Report… Under the Software section, select “Applications.” This may take a few minutes while the Mac searches for all apps. Then sort by the column “64-Bit (Intel)”. Those listed as “No” will have to be updated or replaced by this time next year.

macOS System Report identifies 32-bit apps.

macOS System Report identifies 32-bit apps.

Exploring High Sierra

There are lots of good, detailed, technical articles that provide an accounting of the most visible (and invisible) features of macOS High Sierra. Here’s a good one.

Phew! All done for another year!

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wab95
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wab95

John: I’m travelling so have not done the migration to High Sierra. Plus, I’m in the midst of tight deadlines and cannot afford the downtime – maybe this weekend. That said, I did check the Roaring Apps web site, and my first search drew a blank. I probably am not in a highly serviced profession, but I asked about Endnote X8.1, which is mission critical for me as we speak. Roaring Apps did not have the app in its list. My next search was for Stata – again, crickets. I’m definitely an typical Apple client insofar as that site is… Read more »

geoduck
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geoduck

The first step in this process is to decide if you even want to upgrade on the day High Sierra is released.

Normally I do. This time however I may wait. I mean it’s macOS 10.13. 13!. I mean they couldn’t have done like they did with the iPhone and gone from macOS 10.12 to X.XIV? No it’s 13 released just before Halloween.

Really asking for it they are.