mid 2012 Ios upgrade
how to upgrade IOS from Yosemite to latest version, bought macbook pro (15-inch mid 2012)
Back up your data, check your applications for compatibility, click here, and then on the download link for a newer OS; that model's maximum one is Catalina. For reference, Macs run macOS, not iOS.
Catalina and higher won't run 32-bit software; download and use Go64 as well as using the first link above.
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