Upgrade to Sequoia

Up through 2019, I wrote an entire book every year on the process of upgrading to the latest Mac operating system. Now, rather than offering a separate Take Control of Upgrading to Sequoia book, I’ve condensed all my upgrading instructions into just this one (admittedly rather long) chapter. Although I’ve deliberately left out some details and background information from the book-length text, what follows should be more than enough to get you through the process.

If you’ve already upgraded to Sequoia, you can skip ahead to Tile Your Windows.

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