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I have 3 Apple devices, an iPhone and iPad both running iOS 11 and a MacBook Pro running OS X Yosemite 10.10.

On the iOS devices I am getting alerts to enable two-factor authentication for my iCloud account.

Will enabling it restrict me from accessing my iCloud account on my MacBook Pro?

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As outlined in the Apple support document, Availability of two-factor authentication for Apple ID:

Two-factor authentication is available to iCloud users with at least one device that's using iOS 9 or OS X El Capitan or later.

Since your iOS devices are running iOS 11, you should be covered.

  • Thanks, Seeing as 2FA requires El Capitan (10.11) and im running Yosemite (10.10) what would happen to my iCloud on my macbook pro, if 2FA is enabled ? – sam Apr 2 '18 at 14:50
  • Nothing will happen to the iCloud on your MacBook. The statement in the document mentions the minimum required OS versions on respective devices to receive the code. Since you are using iOS 11 with the same Apple ID as on your MacBook, you should be covered. – Nimesh Neema Apr 2 '18 at 14:55

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