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nelsonmay Author

Level 1

28 points

upgraded to el capitan, can I use this to get to High Sierra?

Good News, I upgraded. I found an el capitan .dmg installer for macs that can't be upgraded, beyond El Cap. Then I found the first version of the el Capitan upgrade for use with Snow leopard. Using them both I upgraded to EL Capitan.

I need to get up to MAC OSX High Sierra to run some adobe apps. I guess I now have to upgrade the firmware? https://www.ifixit.com/Guide/How+to+Upgrade+the+Firmware+of+a+2009+Mac+Pro+41/98985#s182628

Can I get two more OSX upgrades to High sierra? Do I install Sierra then Install High Sierra?

Mac Pro, OS X 10.11

Posted on Jan 3, 2020 10:48 PM

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picas

Level 7

20,865 points

Posted on Jan 3, 2020 11:02 PM

https://support.apple.com/en-us/HT208969

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upgraded to el capitan, can I use this to get to High Sierra?

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