If a user upgrades macOS will that change reflect for all users?

I have 2 users on my iMac. If I upgrade macOS for one user (say to the current version of Catalina), will the other user also get that upgrade, without having to install Catalina twice for each user?

iMac 27" 5K, macOS 10.15

Posted on May 10, 2020 4:30 PM

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Posted on May 10, 2020 4:35 PM

Yes. There's only one system for all users on a Mac. A user must have administrative privileges in order to perform any system update or upgrade.


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If a user upgrades macOS will that change reflect for all users?

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