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update mac os to sierra?

How to update MacBook Pro OS 10.11.6 to 10.12? Or El Capitan to Sierra.

MacBook Pro 15", 10.11

Posted on Oct 25, 2019 10:56 AM

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Question marked as Apple recommended

If you have a MacBook Pro from mid 2009 El Capitan is the last/ latest OS it can run.

Sierras minimum requirement for a MacBook Pro is that is mid 2010 or later,

How to upgrade to macOS Sierra - Apple Support

Posted on Nov 9, 2019 12:37 PM

10 replies

Nov 5, 2019 7:41 AM in response to Eau Rouge

I have OS X El Capitan 10.11.6 on my MacBook Pro. I am having trouble running certain apps on this system and am trying to upgrade to a more current OS. I tried to install Catalina and got a message that it cannot be installed on my system. So then I tried to install Sierra 10.13.6. I was able to download the app but it also won't allow me to install it on my system. How do I upgrade from El Capitan?

update mac os to sierra?

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