Mac how-to guides

Guides for current macOS versions using built-in tools and Apple's own support documentation. We note when steps differ on older macOS.

How to free up disk space on a MacFree up storage on your Mac: check Storage in System Settings, turn on Store in iCloud and Optimize Storage, delete large files and empty the Trash.How to force quit an app on a MacForce quit a frozen app on Mac with Option-Command-Esc or Apple menu > Force Quit, use Activity Monitor, relaunch Finder, and restart if it won't close.