How to check RAM on Mac and free it upHow to check RAM on Mac in About This Mac and Activity Monitor, read memory pressure and swap, and what clearing RAM on a Mac really means.
How to clear Chrome cache on MacHow to clear cache in Chrome on Mac without losing passwords or sign-ins: the Delete browsing data window, its shortcut and what each box deletes.
How to clear Android Studio cache on MacHow to clear Android Studio cache on a Mac with File › Invalidate Caches, delete caches of old versions, and what not to delete: emulators and the SDK.
How to check Mac model and yearHow to check Mac model, year and chip in About This Mac, find the model identifier and serial number, and identify a Mac that won’t turn on.
npm cache clean: How to clear npm cache on MacHow to clear npm cache on a Mac with npm cache clean --force, why npm asks for --force, and how to clear the Yarn and pnpm caches.
How to clear VS Code cache on MacHow to clear VS Code cache on a Mac: which folders are cache, which hold your settings, extensions and unsaved files, and how to delete the cache safely.
How to find Wi-Fi password on MacHow to find a Wi-Fi password on Mac in the Passwords app or Wi-Fi settings, share it with a QR code, and where to look on macOS Sonoma.
How to clear Firefox cache on MacHow to clear Firefox cache on Mac and keep your sign-ins, bookmarks and passwords: the Clear Recent History window, one site’s data, and what not to delete.
How to connect AirPods to MacHow to connect AirPods to Mac through your Apple Account or Bluetooth settings, switch sound to them, and what to do if they don’t show up.
How to unzip files on Mac and zip themHow to unzip files on Mac with a double-click, how to zip a file on Mac with Compress, password-protected zips, and what to do with RAR and 7z.
How to clear Composer cache on MacHow to clear Composer cache on a Mac with composer clear-cache, where the cache lives, and how to free the space taken by vendor folders of old PHP projects.
How to stop apps from opening on startup on MacHow to stop apps from opening on startup on a Mac: remove login items, turn off background items and stop windows from reopening.
pnpm store prune: how to clear pnpm cache on MacHow to clear pnpm cache on a Mac with pnpm store prune, where pnpm keeps its store and cache, and what to do with store folders of older pnpm versions.
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 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 scan documents on MacHow to scan documents on Mac with your iPhone (Continuity Camera), into Notes, or with a scanner in System Settings and Image Capture. Free, built in.
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.
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 boot Mac in safe modeHow to boot a Mac in safe mode on Apple silicon and Intel, how to tell it worked, what safe mode does and how to leave it.
How to clear Mail cache on MacHow to clear Mail cache on Mac: see how much space Mail takes, erase deleted mail, limit attachment downloads, rebuild a mailbox and remove old accounts.
How to install Linux on MacHow to install Linux on Mac: in a virtual machine on any Mac, with Asahi Linux on M1 and M2 Macs, or next to macOS on an Intel Mac.
How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
How to right click on MacHow to right click on Mac: Control-click, a two-finger click on a MacBook trackpad, the right side of a Magic Mouse, or any two-button mouse.
How to clear Go cache on Mac: go clean -cache and -modcacheHow to clear the Go build cache and module cache on a Mac with go clean -cache, -modcache and -testcache, and why rm -rf fails on ~/go/pkg/mod.

Read next