Step-by-step – Firefox Nightly Installation in Ubuntu 20.04

Getting Started

5. 5. Launching Firefox Nightly

   Finally, Launch & Enjoy Firefox Nightly on Ubuntu :)
   From Shell:

   firefox-nightly

   Create Application Firefox Launcher for Quick Starting

   Guide to Create Ubuntu Launcher

   Contains Instructions to Create a Launcher on Linux Desktops

How to Install Google-Chrome Web Browser on Ubuntu:
Installing Google-Chrome Web Browser on Ubuntu.