Big Sur already installed on MacBook Air M1?

Do I have to download Big Sur to my new MacBook Air (2020, M1). or is it already installed (out of the box)?

Posted on Dec 1, 2020 9:23 PM

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Posted on Dec 1, 2020 9:35 PM

Welcome, WhatMeWorry2, to Apple Support Communities!


The M1 Macs can’t run anything older than Big Sur, so they come with Big Sur already installed!

13 replies

Dec 2, 2020 2:19 AM in response to WhatMeWorry2

I believe the MacBookAir with M1 Chip had the Big Sur 11.0 installed by Apple and the update mentioned was the version 11.0.1.


To verify what version is Now Installed >> Go to Apple Icon Top Left >> About this Mac. Another windows will appear On the Big Sur just below in small letter will say Version 11.XX - It should be reading 11.0.1

Dec 2, 2020 11:47 AM in response to Owl-53

Well, apparently I saw “update” and clicked it. It took about 1 1/2 hours to “update”. It was too late to check what was originally installed but it does say it’s now Version 11.0.1. I hope I didn’t just reinstall the original...


Update: For those wondering also....I just got off the phone with Apple. The computer has Big Sur already installed. But updates are available....and need to be installed or “updated”. Whew...I did ok. So the 11.0.1 is the latest update.

Dec 2, 2020 1:47 PM in response to Owl-53

Yes, P. Phillips. I fully agree with the sentiments on «True these days».


These were articles provided by other users, in the Apple Support Communities, on Bug Sur issues.


I’ll see if I can relocate them.


(One was the same Mac Rumors article you shared, though I seem to remember its wording being a bit less clear, when I first read it. But, maybe I’m remembering a different article, which was so worded as to suggest they thought Big Sur 11.0.1 was the new update.)


One of the articles was Apple’s own statements about issues with 2013–2014 MacBooks (especially Pros), that I don’t see in my open tabs, anymore. (I hate the regressive change that, once again, limits how many tabs Safari can have open, on my iPad.)

Dec 2, 2020 1:57 PM in response to Owl-53

Here’s the Apple support article: If you can’t install macOS Big Sur on certain 13-inch MacBook Pro computers from 2013 and 2014 - Apple Support.


It doesn’t explicitly state that such MacBooks will be prevented from upgrading to Big Sur, until further notice. However, part of that is, likely, due to the fact that some already had, and that the old installer is, potentially, still “in the wild”. (I don’t know if Apple can prevent that old installer from installing on such MacBooks. I suspect they cannot, or they would have simply “flipped” that “switch”, instead of releasing a new installer.)

Dec 2, 2020 1:59 PM in response to Halliday

Please, no need to find the articles. I too had the MBP 2013 - 2014 Support Document bookmark but have since removed as the Issue was well documents on these forums and other places. For those affected by this, just hope Apple resolves things soon, for them. As for WhatMeWorry2 issue, that too was resolved and all is working.


Yes, Truth. Old values disappearing sadly ;>(((


Pierre


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Big Sur already installed on MacBook Air M1?

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