The watch will restart as it completes the update. Don't panic.
Each autumn, Apple extends its software ecosystem a little further into the rhythms of daily life — and with watchOS 26, the wrist becomes a slightly more capable companion. Available to Apple Watch owners going back five years, this update arrives carrying a redesigned visual language, artificial intelligence woven into fitness routines, and a Notes app whose absence had long puzzled loyal users. The process asks for roughly an hour of patience and a compatible iPhone, reminding us that even the smallest screen in our lives is now part of a carefully orchestrated chain of dependencies.
- Millions of Apple Watch users woke to an eligible update that promises to reshape how their wearable looks, thinks, and responds to movement.
- The installation demands more than a tap — it requires a compatible iPhone 11 or newer running iOS 26 first, a prerequisite that quietly stops many users before they begin.
- A forty-minute download, a charger, and at least half a battery are the unglamorous gatekeepers standing between users and the new Liquid Glass interface.
- The watch restarts mid-installation — a moment of dark screen anxiety that is, in fact, entirely by design and a signal that progress is being made.
- On the other side of the hour-long process, users find AI-powered workout coaching, Wrist Flick gesture navigation, Notes app access, and a redesigned interface ready to explore.
Apple's annual software update for the Apple Watch has arrived, and most owners of a wearable from the past five years are eligible to install it. watchOS 26 brings a redesigned interface called Liquid Glass, AI-assisted workout features, and — after years of conspicuous absence — Apple's Notes app. The full process takes roughly an hour, though internet speed and patience will shape the actual experience.
Compatibility is the first checkpoint. The update supports Apple Watch Series 6 through Series 10, the 2022 SE, and both Ultra models. Older hardware is excluded. Crucially, the iPhone matters just as much: watchOS 26 requires iOS 26, which in turn requires an iPhone 11 or newer. The phone must be updated before the watch — a sequencing detail that catches many users off guard.
Once iOS 26 is installed, the path runs through the Watch app: General, then Software Update. After tapping Download and Install and accepting Apple's terms, the waiting begins in earnest. On an iPhone 12 Mini with a reliable connection, the download alone consumed forty minutes — enough time to step away entirely and return refreshed.
The watch itself then requires a charger and at least fifty percent battery before its own installation can begin. A second Download and Install tap initiates the process, the watch restarts — normally, not alarmingly — and a circular progress bar traces its way around the Apple logo for roughly fifteen minutes before the screen goes dark and a welcome screen appears.
From there, a brief optional tour introduces the updated interface, though the core gestures remain familiar. Users who skip the tour may encounter a terms screen requiring a scroll and a tap to clear. What awaits beyond it: Wrist Flick gesture navigation, an AI Workout Buddy, automatic volume adjustments, the long-awaited Notes app, and the full texture of the Liquid Glass redesign — all running on the latest software Apple has released for the wrist.
Apple's annual software refresh for the Apple Watch has arrived, and if you own one of the company's wearables from the past five years, you're likely eligible to install it. watchOS 26 brings a redesigned interface called Liquid Glass, AI-assisted workout features, and finally—after years of waiting—Apple's Notes app. The whole process takes roughly an hour, though the actual timeline depends on your internet speed and how patient you are with waiting screens.
Before you start, confirm your watch is compatible. The update supports Apple Watch Series 6 through Series 10, the SE model from 2022, and both Ultra variants. If you're running anything older, you're out of luck. Your iPhone matters too: you'll need an iPhone 11 or newer, since watchOS 26 requires iOS 26 as a prerequisite. This is the first step that catches people—you can't jump straight to updating your watch. The phone comes first.
Start by updating your iPhone to iOS 26, then open the Watch app and navigate to General, then Software Updates. The app will take a moment to fetch the latest version, but watchOS 26 should appear once it loads. Tap Download and Install, enter your passcode when prompted, and agree to Apple's terms of service. Then settle in. The download itself consumed forty minutes on an iPhone 12 Mini with a solid internet connection, so budget time accordingly. This is when you make coffee, walk the dog, or do anything else that doesn't require your phone.
Once the download finishes on your iPhone, your Apple Watch needs to be plugged into its charger and have at least half a battery remaining. Tap Download and Install again—yes, you're doing this twice, once on the phone and once on the watch. Your watch will restart as part of the installation process; this is normal and expected, not a sign something went wrong. The installation itself took about fifteen minutes on an Apple Watch Series 10, marked by a circular progress bar filling around the Apple logo. When it completes, the screen goes black before presenting a welcome screen.
Tap Start and you're in. The system offers an optional tour of the updated interface, though the basic gestures and button layout haven't changed dramatically from previous versions. If you skip the tour, you might encounter a terms screen—just scroll to the bottom and tap accept to dismiss it. From there, you're free to explore the new features: the Wrist Flick gesture for quick navigation, Workout Buddy for AI-assisted training, automatic volume adjustments, the Notes app, and whatever else the redesigned Liquid Glass interface reveals as you poke around. The update is complete, and your watch is now running the latest software Apple has to offer.
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The installation took me about an hour from start to finish, but your mileage may vary.— Tom's Guide author
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Why does the iPhone update have to come first? Can't you just update the watch directly?
The watch relies on the iPhone as a hub for downloading and managing software. The watch itself doesn't have direct internet access in the way your phone does, so the iPhone fetches the update package and then transfers it over. It's a dependency built into how Apple Watch works.
Forty minutes just to download? That seems long.
It is, but watchOS is a complete operating system. You're not just patching a few features—you're downloading the entire new software stack. A stable connection helps, but the file size is substantial enough that even good internet takes time.
What happens if the watch loses power during installation?
That's why they require at least 50% battery and ask you to keep it on the charger. If it dies mid-install, you'd likely need to start over, which is why the precautions exist.
Is there any reason not to update?
Not really, if your watch is compatible. It's free, and the new features—especially the Notes app and AI workout tools—are genuinely useful additions. The only real cost is time.
Do you lose any data when you update?
The source doesn't mention data loss, and Apple Watch updates typically preserve your settings and apps. It's not like a factory reset.
What's the Wrist Flick gesture?
The source mentions it as a new feature but doesn't explain exactly what it does. You'd discover it during the optional tour or by experimenting once the update is live.