How to clear history on MacHow to clear history on Mac in Safari, Chrome and Firefox, for the last hour or all time, and what else disappears, including on your iPhone.
How to downgrade macOSHow to downgrade macOS to an earlier version: get the installer, make a bootable USB drive, erase the Mac, install and restore your files.
Mac maintenance: how to keep your Mac clean automaticallyMac maintenance made simple: what a Mac really needs, and how to clean it automatically on a schedule with MacWashing’s auto-clean.
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.
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.
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.
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.
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.
How to clear cookies on MacHow to clear cookies on Mac in Safari, Chrome and Firefox, for one site or for all of them, and what changes after: you get signed out of sites.
How to uninstall Homebrew on MacHow to uninstall Homebrew on a Mac with its official script: what to save first, what happens to apps from casks, and the leftovers to remove.
How to clear Gradle cache on MacHow to clear Gradle cache on a Mac: what ./gradlew clean really deletes, how to stop the daemon and empty ~/.gradle/caches, and old Gradle versions.
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.

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