latest Mac OS to replace high sierra 10.13.6 for MacBook air

Hello

My MacBook air (2011) has OS high sierra 10.13.6, Safari 13.1.2.

Recently found out this version of Safari is not supported by some website such as bank website. What would be the latest OS and Safari to access certain websites?


Thank you!

Posted on Apr 13, 2024 10:02 AM

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Posted on Apr 13, 2024 10:20 AM

macOS 10.13.6 (High Sierra) is the end of the line for that MacBook Air. You might want to install Firefox 115 ESR. It is no longer getting new features, but it might let you access some Web sites that High Sierra's old version of Safari is having trouble accessing.


Mozilla Support – Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release


Mozilla says they will provide "critical security updates" until September 2024. "After this, no security updates will be provided and you are strongly encouraged to move to a supported version of macOS."

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Question marked as Top-ranking reply

Apr 13, 2024 10:20 AM in response to gracemir

macOS 10.13.6 (High Sierra) is the end of the line for that MacBook Air. You might want to install Firefox 115 ESR. It is no longer getting new features, but it might let you access some Web sites that High Sierra's old version of Safari is having trouble accessing.


Mozilla Support – Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release


Mozilla says they will provide "critical security updates" until September 2024. "After this, no security updates will be provided and you are strongly encouraged to move to a supported version of macOS."

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latest Mac OS to replace high sierra 10.13.6 for MacBook air

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