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Q: Desinstall macOS Sierra

When macOS Sierra came out, I decided to install it.

But ever since I did it, my Mac is really slow, doesn't respond quickly and it frozes often.

How can I erase the macOS Sierra, to have the macOS Captain again?

Thank you

MacBook Pro, OS X Mavericks (10.9)

Posted on Oct 23, 2016 2:12 AM

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Q: Desinstall macOS Sierra

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