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salnamal2015 Author

Level 1

4 points

upgrade OSX from el capitan to Big Sur on iMac 27inch late-2013

why does it say it cannot be installed even though the minimum version is 10.9 while i have 10.11.6 currently?

iMac 27″, OS X 10.11

Posted on Oct 1, 2021 8:45 AM

Top-ranking reply

rkaufmann87

Level 10

143,392 points

Posted on Oct 1, 2021 8:49 AM

The last version of Mac OS a vintage 2013 will run is 10.15.7, Catalina. To upgrade please click How to get old versions of macOS and read it VERY carefully before doing your upgrade(s). If you have a need for Big Sur, it is time to buy a newer Mac.

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upgrade OSX from el capitan to Big Sur on iMac 27inch late-2013

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