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Loading macOS Sierra on a newer Mac running Mojave or Catalina (Resolved)

kazmac

macrumors G3
Original poster
Mar 24, 2010
9,478
7,710
Any place but here or there....
Hi everyone,

Can I load Sierra onto a newer Mac running Mojave or Catalina? (The later being hypothetical).

If I stick with Macs, I need Sierra to run on the new machine.

Do I use a virtual machine? Partition or something else?

And are there clear instructions somewhere?

I’ve never used VMs or partitions.

Thanks a lot.
 

akash.nu

macrumors G3
May 26, 2016
9,277
10,971
Don’t think this is possible. The last version you can install is the version the Mac originally came with AFAIK.
 
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prometeus

macrumors newbie
Nov 20, 2019
9
5
Yes, you can... but you cannot update it or install apps from Mac App Store, because... (see answer akash.nu)... but you can! I mean you can't install any app from Mac App Store. It will inform you are using wrong macOS version for you Mac. I also tried this trick with MacBook Air 2017. It comes with High Sierra on board. I installed Sierra. I did it, but cannot update it or install iWork apps from Mac App Store. So, theoretically you can, but it useless...
 
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