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How to updates my Mozilla Firefox 115+

On what OS as in Windows 10, 11 or even Windows 7, 8, 8.1

If Windows t0, 11 then download the current Firefox 1145.0 Release or Firefox 140.5.0esr from below. https://www.firefox.com/download/all/desktop-release/ (Firefox 145.0 Release) https://www.firefox.com/download/all/desktop-esr/

If Windows 7, 8, 8.1 then the most current version you can run is Firefox 115 ESR currently at 115.30.0esr. https://www.firefox.com/download/all/desktop-esr/ then click on 64-bit or 32-bit Windows then language then [Download Firefox 115) to get the current Firefox 115.30.0esr for Windows 7, 8, 8.1.

Or If this is with Firefox on your phone (Android or iPhone) then this likely means your Firefox version on the phone is too old as the web whatsapp site wants users to have Firefox 115 or newer.

https://support.mozilla.org/en-US/kb/update-latest-version-firefox-android https://support.mozilla.org/en-US/kb/firefox-available-iphone-or-ipad-my-language