The Guide Shows You How to Install Firefox 73 Nightly i686 Browser for Linux Lite 1.0.4 Precise Pangolin LTS 32/64-bit Desktop.
The Firefox Nightly Version Coexists Perfectly with the Eventual Others Firefox Installations, this Meaning that an Unique Firefox Base Environment will be Shared between All the Firefox Versions on the System.
To Make Easier the Visualization of the whole Process I have Inserted the Essentials Screenshots of the Installation.
Inside the Instructions you will Find also a Link to How to Create a Launcher for Firefox Browser on Ubuntu Unity Desktop.
Download Firefox Nightly for Linux:Firefox i686/x8664 tar.bz2
Double-Click on Archive and Extract into /tmp
Open a Terminal Window
(Press “Enter” to Execute Commands)
Relocate Firefox Nightly
Login as SuperUser.
If Got “User is Not in Sudoers file” then see: How to Enable sudo
Make a Firefox Directory.
Move Firefox Into firefox-Nightly so to Prepare for a Possible Firefox Multi-Version Coexistence
sudo chown -R root:root /tmp/firefox && mv /tmp/firefox /opt/firefox/firefox-nightly
Make a Symlink for Easy-Starting.
ln -s /opt/firefox/firefox-nightly/firefox /usr/local/bin/firefox-nightly
Next you Can Start Firefox from Terminal with
Create a Custom Launcher for Easy-Starting:Lite Xfce How Menu Launcher
How to Install Google-Chrome Browser for Linux-Lite: