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catalina operating system erased from my macbookair

how to reinstall my MacBook air operating system that was running off of Catalina OS

MacBook Air 13″, macOS 10.13

Posted on Nov 2, 2021 9:09 PM

Top-ranking reply

TheLittles

Level 10

195,633 points

Posted on Nov 2, 2021 9:33 PM

dxfbjvzkhjisbxvjklddhfklj Said:

"catalina operating system erased from my macbookair: how to reinstall my MacBook air operating system that was running off of Catalina OS"

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Reinstalling the macOS:

Go Here: How to Reinstall macOS from macOS Recovery - Apple Support

Important: First, Back Up your Mac:

Create a Time Machine backup of your Mac, so that you can have something to restore your Mac from, should anything go wrong with the reinstall. Take this as a learning experience, knowing to always create a backup of your Mac, prior to making any major changes to it (i.e. update installation)

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catalina operating system erased from my macbookair

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