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  1. Erase and reinstall macOS - Apple Support

    You can use macOS Recovery, the built-in recovery system on your Mac, to erase and reinstall macOS. Choose Apple menu > Restart, then immediately press and hold Command-R.

  2. How to Wipe Your Mac and Reinstall macOS from Scratch

    Apr 30, 2023 · Here's how to securely delete all of your files, then install a fresh version of macOS. If you're selling or giving away your computer, this is the only way to make sure …

  3. How to clean install macOS on your Mac - Macworld

    Is a clean install better than a reinstall, or is it actually completely unnecessary to wipe your Mac first? We will then discuss the different ways to do a clean installation of macOS.

  4. How to reinstall macOS without losing data

    Jun 4, 2024 · Reinstalling your operating system can be a useful fix for a slew of problems you might run into on your computer, even on the best Macs. However, people often hesitate to …

  5. How to Clean Install macOS - Complete Step-by-Step Guide

    May 15, 2025 · Learn how to perform a clean installation of macOS to fix system issues, improve performance, and get a fresh start without any leftover files or clutter.

  6. How to Reinstall macOS on Your MacBook Air/Pro/iMac: 3 Ways

    Oct 16, 2025 · Reinstall macOS seamlessly on your MacBook Air, Pro, or iMac. TL;DR. To reinstall macOS on your MacBook Air/Pro/iMac: Use a Bootable USB Drive: Create a bootable …

  7. Clean/Fresh Install macOS from USB or Without USB (Sequoia)

    Nov 27, 2025 · There are four ways to do a clean install of macOS, which essentially means erasing and installing macOS. Three of them apply to all macOS or Mac OS X updates and …

  8. How to reinstall macOS - Apple Support

    2 days ago · Start up from macOS Recovery. From the list of options in Recovery, select the option to install or reinstall macOS. Then click Continue and follow the onscreen instructions. If …

  9. How to Reinstall MacOS: A Step-by-Step Guide - Solve Your Tech

    Feb 17, 2024 · Need to reinstall MacOS? Follow our easy step-by-step guide to get your Mac running like new again in no time!

  10. How to reinstall macOS - Macworld

    Our method involves using the Recovery partition via which you can reinstall the latest version of the macOS you installed on your Mac.