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High Sierra Suitability

#1 User is offline   Walter 

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Posted 08 October 2017 - 09:37 AM

Hi,
I read that High Sierra is suitable for late 2009 iMacs or later. I have such an iMac and when I open "ABOUT THIS MAC" it shows 'LATE 2009" but when I search for updates in App store there is no High Sierra available. It responds with
'NO UPDATES AVAILABLE" Is it possible to check by serial # or production # - similar to a car where you go up to a certain chassis # and from chassis # ? Maybe mine is made just at the change-over time ???

I also checked my wife"s mid 2014 iMac for the High Sierra availability, same result: "NO UPDATES AVAILABLE". Both iMacs run on 10.12.6
Can anybody explain what is going on ?

Thanks
Walter
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#2 User is offline   Vulch 

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Posted 08 October 2017 - 11:36 AM

I have a 2017 iMac running 10.12.6, and there are 'No updates' for me either. Go figure!

Ah, but then I realised its not an update, its a new OS. So i clicked on 'Featured' in App Store, and High Sierra is there to download.

So if you Mac is new enough it will tell you there.
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#3 User is offline   Walter 

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Posted 09 October 2017 - 12:04 AM

thanks Vulch,

have done as you suggested. First the mid 2014 iMac and all went well.
the older iMac is next.

thanks again
Walter
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#4 User is offline   lemoon 

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Posted 19 December 2017 - 07:45 PM

All Macs introduced in 2010 or later are compatible; MacBook and iMac computers introduced in late 2009 are also compatible." The Mac models compatible with macOS Sierra are listed in this guide of "How to Prepare Your Mac for macOS Sierra 10.12 Upgrade"
And you can learn more how to upgrade to High Sierra by following this guide.
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#5 User is offline   JamieD 

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Posted 27 December 2017 - 01:15 PM

nothing to see here
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