what to do with the end of life of mac OS bigsur version 11.7.

Apple iMac 21.5 mid 2014 model. processor 1.4 GHz Duel -core intel core i5 .memory 8GB 1600 mhz Mac OS Big Sur version 11.7.10 Adobe will not work. Keep having a notice that my Browser version is no longer supported. What could I do to upgrade this ?

iPhone 7 Plus, iOS 15

Posted on Nov 3, 2025 12:14 PM

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Posted on Nov 3, 2025 2:44 PM

Big Sur is not one of the "most recent three" supported by vendors such as Microsoft and Adobe. It fell off that list in September 2023, over two years ago, when Sonoma came out.


Big Sur is still enough to run current versions of


Current versions of most other major third-party Web browsers now require Monterey or later, and so would not be compatible with your 21.5" mid-2014 iMac.

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Question marked as Top-ranking reply

Nov 3, 2025 2:44 PM in response to wolff57

Big Sur is not one of the "most recent three" supported by vendors such as Microsoft and Adobe. It fell off that list in September 2023, over two years ago, when Sonoma came out.


Big Sur is still enough to run current versions of


Current versions of most other major third-party Web browsers now require Monterey or later, and so would not be compatible with your 21.5" mid-2014 iMac.

what to do with the end of life of mac OS bigsur version 11.7.

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