How to Install the latest Mozilla Firefox version in Debian

These are the only two command that lets you install the latest Mozilla Firefox  Quantum on your Linux Debian

first download the latest Firefox version available

than create the directory

untar the latest Firefox version in the new directory


Make a backup of the original Firefox binary shipped with Debian and create a new symbolic link pointing to downloaded Firefox executable:

Restore Debian’s Default

Thanks to Lubos Rendek