Step-by-step – Firefox ESR Installation in Debian Bullseye

GNU/Linux Debian Bullseye Installing Firefox ESR – QuickStart Guide

Hi! This Guide shows you Step-by-Step How to Install latest Firefox ESR in Debian 11.x Bullseye Desktop.

And Mozilla Firefox Extended Support for Debian 11 is intended for Universities and other Schools, Institutions and Businesses.

Moreover, Firefox ESR coexists perfectly with the other eventual instances without make any trouble, this meaning that once fired Up it will load the existing Firefox Environment.

After Installation the Firefox ESR will be plugged into the ESR Channel to be Automatically Updated when Launched.

1. 1. Terminal QuickStart

   How to Quick Start with Command Line on Debian GNU/Linux

   Command Line Debian Linux Quick Start Guide

   Getting-Started with Command Line on Debian Linux

   First, Update the Apt Repo Sources with:

   sudo apt update

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.