macOS 15 Sequoia
Every guide with steps for macOS 15 Sequoia, grouped by topic. The first macOS that snaps windows to halves and quarters on its own. Released September 2024.
Windows 2
- How to snap windows on a Mac: halves, quarters and keyboard shortcutsmacOS can snap windows to halves and quarters on its own since macOS 15 Sequoia. Here's how to drag, click and use keyboard shortcuts to tile, and what to do when snapping doesn't work.
- How to close windows faster on Mac, including from Mission ControlEvery built-in way to close one window, all of an app's windows, or quit, plus the one thing macOS can't do: close a window from Mission Control.
Dock 2
- Mac Dock keeps moving to the other monitor? How to keep it on one screenThe Dock follows your pointer to whichever display you push against the bottom edge of. Here's why it happens and three ways to keep it on one screen.
- Dock not showing on your external monitor (or missing entirely) on MacHow to bring the Dock to an external display, and what to do when the Dock disappears or won't show at all, including the reset command.
Spaces and Mission Control 3
- Turn off the Spaces animation on Mac, switch desktops faster, and stop them rearrangingHow to replace the sliding Spaces animation with a quick fade, jump straight to any desktop with a shortcut, speed up Mission Control, and stop macOS reordering your Spaces.
- How to set up and change hot corners on MacWhere to find hot corners in System Settings, what each action does, how to stop triggering them by accident, and the Terminal commands behind them.
- Stage Manager not working or laggy on Mac: fixes and settingsHow to turn Stage Manager on and off, change how it groups windows, deal with lag, and what to know about moving the strip to the other side.
Settings 4
- How to stop apps opening at startup on Mac (login items, every version)Remove apps that open when you log in, and background items you don't need, in System Settings on macOS 27, Tahoe, Sequoia and Sonoma, plus the other places startup apps hide.
- How to take a screenshot on Mac, and change where screenshots are savedEvery Mac screenshot shortcut, how to copy a screenshot instead of saving it, change the save folder, turn off the floating thumbnail and the window shadow, and record the screen.
- How to turn off notifications on Mac, per app or all at onceStop notifications from one app, hide them while screen sharing, silence everything with Focus, and turn off notification previews on macOS 27, Tahoe and Sequoia.
- How to customize Control Center on Mac (macOS 27, Tahoe and Sequoia)Add, remove and rearrange controls in Control Center, and choose which ones also appear in the menu bar. Steps for macOS 27 and Tahoe, where you edit Control Center directly, and for Sequoia.
Troubleshooting 3
- Mac microphone not working in Zoom, Teams or Meet? Fix it in this orderWhen people can't hear you on Zoom, Microsoft Teams, Google Meet or Slack on a Mac: check app permission, the selected microphone, AirPods behaviour and the audio service, step by step.
- Spotlight not finding files or apps on Mac? Rebuild the indexWhen Spotlight misses files, apps or emails you know exist: check what's excluded, wait for indexing after an update, and rebuild the Spotlight index from System Settings or Terminal.
- "App can't be opened" or "is damaged" on Mac: how to open it safelyWhat macOS means by "can't be opened because Apple cannot check it", "is damaged and can't be opened" and "unidentified developer", and how to open an app you trust using Open Anyway in Privacy & Security.
App comparisons 3
- The best window managers for Mac in 2026, compared fairlyRectangle, Magnet, Moom, BetterSnapTool, Loop, Amethyst, AeroSpace, yabai and more, compared by how they work, price and macOS 27 support, with what macOS now does on its own.
- Apps that improve the Mac Dock: window previews, taskbars and tweaksAdd window previews, a Windows-style taskbar or extra Dock settings on Mac. DockDoor, uBar and others compared fairly, plus the hidden Dock settings you can change without any app.
- How to keep all your Mac apps updated: App Store, Homebrew and updater apps comparedApps from outside the App Store update themselves in different ways. The free tools that check everything at once, including Latest and Homebrew, compared fairly with paid options.