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Firefox ESR

Firefox ESR 115.9.1

Get unmatched data protection on the release cadence that suits you with Firefox Extended Support Release. Learn what's new on this latest version. Click here if the download does not begin automatically.

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More about Firefox ESR

Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations like universities and businesses that need to set up and maintain Firefox on a large scale. Firefox ESR does not come with the latest features but it has the latest security and stability fixes.

Get the Firefox Extended Support Release or Rapid Release browser for comprehensive data security and data protection. Read more.

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