How to install old mozilla firefox on Ubuntu 19.04,18.04,16.04,12.04, Linux mint,suse Linux

How to install older version of Firefox On Ubuntu18.04,19.04,16.04,17.04,15.04,14.04,12.04,Linux mint,suse,kubuntu,kubuntu, elementary os. How to downgrade Firefox to older version Ubuntu #firefox #mozilla #oldfirefox Comand used:- First Download old version firefox from following url http://ftp.mozilla.org/pub/firefox/releases/ choose version you want to install sudo mv firefox /opt sudo apt-get install alacarte Note :- Turn off automatic update after install Firefox Do not forget to subscribe my channel thanks for watching Don't Stop by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Artist: http://audionautix.com/