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Level 1

4 points

error message

you can't upgrade this version of OS X because a newer version is installed

how do you fix this?

Posted on Nov 28, 2019 8:13 AM

Top-ranking reply

Community+ 2024

Level 10

127,537 points

Posted on Nov 28, 2019 10:29 AM

If you want to downgrade to an earlier version, you will need to wipe the storage.

If you want to upgrade to a later version of macOS, the version you’re trying to install isn’t an upgrade.

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