sudo snap remove firefox
sudo tar xjvf ~/Downloads/firefox-*.tar.bz2 -C /opt/
sudo ln -s /opt/firefox/firefox /usr/local/bin/firefox
udo wget https://raw.githubusercontent.com/mozilla/sumo-kb/main/install-firefox-linux/firefox.desktop -P /usr/local/share/applications

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Don't forget to move personal profile files to new instance too.


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To update, download the new version and install