reverse an update

I recently updated my MacBook Pro from High Sierra to Catalina. Now some very important programs are not functional, and in order to up date them the software developer wants $540. Can’t spend that, so I want to get rid of Catalina and go back to High Sierra, where everything works. That’s what I mean.

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Answer 3

BDAqua

Level 10

240,533 points

Dec 12, 2020 4:59 PM in response to kathleenmuschio

Yes, do you have a Time Machine backup?

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Answer 4

Dec 12, 2020 7:18 PM in response to BDAqua

Yes I have a TimeMachine Backup

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Answer 5

BDAqua

Level 10

240,533 points

Dec 13, 2020 8:23 AM in response to kathleenmuschio

That should get you back to where you want then.

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Answer 6

Dec 13, 2020 8:53 AM in response to BDAqua

What do I do? Plug my external hard drive into my MacBook, and boot up the Time machine on the external? I have no idea how to proceed. Can you help with that? Thank you.

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Answer 7

BDAqua

Level 10

240,533 points

Dec 13, 2020 11:22 AM in response to kathleenmuschio

Sorry, Apple changed the link I gave!?

https://eshop.macsales.com/blog/32972-time-machine-what-it-is-how-it-works-and-how-to-use-it-with-your-mac/

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reverse an update

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