https://www.itzgeek.com/how-tos/linux/ubuntu-how-tos/install-mozilla-firefox-11-on-linux-mint-12-ubuntu-11-10-12-04.html
Install Mozilla Firefox 11 on Linux Mint 12 / Ubuntu 11.10 / 12.04 - ITzGeek
Feb 12, 2020 - Firefox 11 has been already out and it is available for Ubuntu 11.10 and Linux Mint 12 via ppa repository. Source code is available in over 70 languages which...
install mozilla firefoxon linux
https://support.mozilla.org/ne-NP/questions/1171739
How/where can I install Firefox version 52.0 ? | Firefox Support Forum | Mozilla Support
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