How to block websites on MacHow to block websites on Mac with Screen Time: limit adult sites, block a list of addresses or allow only chosen sites, and lock it with a passcode.
Where iPhone backups are stored on Mac and how to delete themWhere iPhone backups are stored on Mac, how to see what they take and how to delete old iPhone and iPad backups safely in Finder.
How to uninstall Python on Mac completelyHow to uninstall Python on a Mac: from python.org, Homebrew or pyenv, what to keep (Apple’s own python3) and how to check it’s gone.
How to clear media cache in Premiere Pro on MacClear media cache in Premiere Pro on a Mac from Settings › Media Cache, turn on automatic cleanup and find the Adobe cache folder.
What is System Data on Mac and how to reduce itWhat macOS counts as System Data in Storage settings, why it grows and how to make it smaller safely.
Mac keyboard shortcuts: the most useful onesThe Mac keyboard shortcuts worth knowing: copy and paste, windows, screenshots, Finder, text, lock screen, plus what ⌘ ⌥ ⌃ ⇧ mean and their Windows keys.
How to delete files on MacHow to delete files on Mac: Move to Trash with Command-Delete, delete a file right away without the Trash, and what to do when a file won’t delete.
How to show hidden files on MacHow to show hidden files on Mac with Command-Shift-Period in Finder, open the hidden Library folder, list hidden files in Terminal, and what not to touch.
How to free up space on MacHow to free up space on Mac and clear storage: see what fills the disk, turn on Apple’s recommendations, then delete downloads, backups and caches.
How to clear Discord cache on MacDiscord has no clear cache button on Mac. Here’s how to clear Discord cache by hand: quit it and delete three folders. Messages and servers stay.
How to change default browser on MacHow to change default browser on Mac in System Settings or from the browser itself, how to switch back to Safari, and where the default email app is set.
How to check battery health on MacBookHow to check battery health on a MacBook: Maximum Capacity and condition in Battery settings, the cycle count in System Information, and Apple’s limits.
How to uninstall Node.js on Mac completelyHow to uninstall Node.js on a Mac: installed from nodejs.org, with Homebrew or with nvm (nvm uninstall), and how to check that node is gone.
How to find large files on MacHow to find large files on Mac with Storage settings, a Finder search by file size or Terminal, and what to check before you delete them.
How to merge PDF files on MacHow to merge PDF files on Mac for free: in Preview by dragging pages, with Edit › Insert, or in Finder with Quick Actions › Create PDF.
How to flush DNS cache on MacHow to flush DNS on Mac with one Terminal command, clear Chrome’s own DNS cache, and when flushing DNS actually helps.
App permissions on Mac: see which apps can use your camera and moreApp permissions on Mac: where to allow camera, microphone and screen recording, and how to see and revoke every app’s access at once with MacWashing.
How to split screen on MacHow to split screen on Mac: drag windows to the screen edges, use the green button or Fn-Control shortcuts, or open two apps in Split View.
How to uninstall apps on Mac completelyThree ways to delete an app on a Mac, where its leftovers stay, how to remove them by hand and what to do when an app won’t delete.
How to install a DMG file on Mac: MacWashing as an exampleHow to install a DMG file on Mac step by step, using MacWashing: open the disk image, drag the app to Applications, first launch and Full Disk Access.
docker system prune: How to clear Docker cache on MacHow docker system prune clears Docker cache on a Mac, how to delete Docker images and build cache, and what to do so you don’t lose volumes.
How to clear Safari cache on MacHow to clear Safari cache on Mac without losing history, passwords or sign-ins, how to remove one site’s data, and what each option deletes.
brew cleanup: How to clear Homebrew cache on MacHow brew cleanup clears Homebrew cache on a Mac, how to delete the whole download cache and remove dependencies you no longer need.
Mac not turning on: what to doMac not turning on? Check the power and the display, force a restart, reset the SMC on Intel, revive the firmware, and know when to contact Apple.

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