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how do I update Sierra to 10.13

I need to update to Sierra 10.13

iMac 27", macOS 10.12

Posted on Nov 29, 2019 6:48 AM

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Posted on Nov 29, 2019 6:51 AM

Back up your data, check your applications for compatibility, and download High Sierra.


(176527)

2 replies

how do I update Sierra to 10.13

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