Upgrade now or wait?
macOS 27 is out, and there's no easy way back once you install it. Here's who should upgrade today, who should hold off, and a five-minute check to find out which group you're in.
7 min read
Guides
9 practical guides
Practical instructions with exact paths, useful checks, and a clear way back.
How much space you need
The installer is about 18 GB, but that's not what you need free. Here's the real number, how to measure free space macOS isn't exaggerating, and safe ways to make room.
6 min read
Seven checks before upgrading
A practical pre-upgrade checklist for macOS 27: a backup you can actually restore, the extensions and network setups Golden Gate breaks, and how to spot trouble before it costs you a workday.
7 min read
From Sequoia to Golden Gate
If you stayed on macOS 15 Sequoia, upgrading now means taking two years of changes at once. Here's everything that's different, what to set up on day one, and whether it's time to make the jump.
7 min read
What it fixed in Tahoe
A point-by-point look at Tahoe's biggest complaints and where each one stands in macOS 27: fixed, partly fixed, or still there. Plus the new annoyances Golden Gate brought with it.
7 min read
Waiting for 27.1?
'Wait for the .1' is the most common upgrade advice on the internet. This year Apple skipped the 27.1 beta entirely. What that likely means, and better signals to watch before installing Golden Gate.
5 min read
Clean install or upgrade?
Some users swear a clean install made their Mac fast again. Others say it's a wasted weekend. How macOS is built today, what a clean install really removes, and a faster way to get the same result on Apple silicon.
6 min read
Apple Intelligence storage
Golden Gate users are finding 14 to 35 GB taken by Apple Intelligence, even with it turned off. What Apple says, what users are seeing, why the old 'just turn it off' advice doesn't settle it, and the safe ways to get space back.
6 min read
Test Golden Gate safely
Upgrading to macOS 27 has no undo. Three ways to test Golden Gate with your own apps first, what each can and can't tell you, and a known virtual machine installer bug to work around.
6 min read