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the new version is too new for my OS version? I have 10.11.6

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  • Last reply by James

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i decide to update my version of Firefox and I did. Problem is the new version is too new for my computer with version of El Capitan. Computer replace the old version for the new one and now I can't open Firefox. I went looking for my old version but I cant find it.


Any suggestions?

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Firefox 79.0 and later has required MacOS 10.12 at minimum to run so you will need to upgrade to MacOS 10.12 or higher.

https://support.mozilla.org/en-US/kb/firefox-mac-osx-users-esr

https://www.mozilla.org/firefox/78.0/system-requirements/ https://www.mozilla.org/firefox/79.0/system-requirements/ https://www.mozilla.org/firefox/95.0/system-requirements/

Fx 78.15.0esr is the most current version you can use though it is EOL. https://archive.mozilla.org/pub/firefox/releases/78.15.0esr/mac/en-US/ other locales at https://archive.mozilla.org/pub/firefox/releases/78.15.0esr/mac/


I moved this thread from "Firefox for iOS" section to "Firefox" as iOS is for iPhone/iPad.

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