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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
How do I upgrade my Mac12,1 with os 10.13 to 10.15 or higher? Do I add more memory? Memory is 8GB. Intel Core 15 is processor.
[Re-Titled By Moderator]
iMac 21.5″, macOS 10.13
You can't. macOS 10.13 High Sierra is the last version of macOS your mid-2011 iMac can run.
Regards.
You can't. macOS 10.13 High Sierra is the last version of macOS your mid-2011 iMac can run.
Regards.
That's a 2011 model and can't be upgraded past High Sierra.
(256314)
Thank you for responding.
Thank you for your response.
How to upgrade macOS on my iMac 12,1 to macOS 10.15 or Above?
