I have a iMac Retina 5K 27 inch Mid 2015 with OS S Yosemite 10.10.5. I bought a Magic Mouse 2 that requires OS X 10.11 or better. How do I upgrade my operating system?

I have a iMac Retina 5K 27 inch Mid 2015 with OS S Yosemite 10.10.5. I bought a Magic Mouse 2 that requires OS X 10.11 or better. How do I upgrade my operating system?

iMac Pro

Posted on Jan 27, 2021 9:12 AM

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Level 10

741,881 points

Jan 27, 2021 10:20 AM in response to newuserhelpmeplease

Back up your data, check your applications for compatibility, and download El Capitan, High Sierra, Mojave, Catalina, or Big Sur.

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I have a iMac Retina 5K 27 inch Mid 2015 with OS S Yosemite 10.10.5. I bought a Magic Mouse 2 that requires OS X 10.11 or better. How do I upgrade my operating system?

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