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OS X Yosemite Two factor Authentication issue

Hey everyone, can anyone please help as I'm stuck in this horrific loop between software on mac. So I was using BigSur on my mac and decided to update my laptop. During update it failed and the laptop went in to Internet recovery mode and ended up downloading OS X Yosemite. Now the issue is that when I'm trying to sign-in on App Store on mac, it says password is wrong (though I'm using the right password) and it won't let me sign-in because my apple ID is setup for two-Factor authentication, and Yosemite do not have Two-factor authentication. I tried all possible ways to try turn off the authentication through iPhone, web browser, iPad etc but it still won't let me turn it off. Since I can not sign-in to App Store, I can not download the new software to update my mac. Can anyone show me a way to solve this issue?

MacBook Pro 13″, OS X 10.10

Posted on Nov 29, 2021 7:43 PM

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Posted on Nov 29, 2021 8:01 PM

You can download an older version of macOS from this link and then get the code using that version of macOS. You will then be able to download macOS Monterey if you want to.

https://support.apple.com/en-us/HT211683

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2 replies

Nov 30, 2021 2:36 AM in response to sickpuzzle24

The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.


With the above information in-hand - follow this >>>> How to get old versions of macOS <<<<<and verify what version this computer Qualifies to install.  For Best results use Safari to commence the download as Others may not work.


If the computer can be upgraded to at least a El Capitan where 2FA functions - all is good.


Safari will open a redirect and open the Apple Store where the download can commence


Tips Big Sir Upgrade Released Nov 2020


Tips Monterey Upgrade  Released Oct 25, 2021


Make Time Machine Backup  is very useful and can be used to Revert to Previous Working macOS


Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina, Big Sur & Monterey supports only 64 bit and there is no workaround.


Suggest using Go64 to find 32 bit application before attempting the upGrade. Some or many of the Application already installed may required update or upGrades to 64 Bit Versions.


Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal  operation of the OS and may even Corrupt the OS requiring a Reinstallation

OS X Yosemite Two factor Authentication issue

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