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Reinstall ESR on old Macbook Pro with OS 10.11.6

  • 2 cavab
  • 1 has this problem
  • 4 views
  • Last reply by AliceWyman

lomanyoung
lomanyoung
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I accidentally deleted Firefox ESR that worked fine for years on my old Macbook Pro laptop (2009) running El Capitan OS 10.11.6. Now I can't reinstall it unless my OS is a minimum of 10.12. I don't want to mess with attempting an OS upgrade for fear of losing files and photos. This computer is strictly a nostalgic backup that I would like to keep functioning for a while longer. Any way around this?

I accidentally deleted Firefox ESR that worked fine for years on my old Macbook Pro laptop (2009) running El Capitan OS 10.11.6. Now I can't reinstall it unless my OS is a minimum of 10.12. I don't want to mess with attempting an OS upgrade for fear of losing files and photos. This computer is strictly a nostalgic backup that I would like to keep functioning for a while longer. Any way around this?

All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Firefox 78.15.0 is the last version for your Mac OS X platform (update channel: mozilla-mac-eol-esr1) and you will no longer receive updates, so you are out of luck if you can't update your OS.

See:

AliceWyman
AliceWyman
  • Moderator
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In case it helps, the English (US) dmg installer for Firefox 78.15.0esr can be downloaded here: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.15.0esr/mac/en-US/