Step-by-step – Avidemux Elementary OS Installation

Installing

2. 2. Enabling Avidemux PPA Repo

   Add Avidemux PPA for Elementary OS GNU/Linux

   Install Avidemux Repo for Elementary OS

   Avidemux PPA for Elementary OS

3. 3. Installing Avidemux

   Then to Install Avidemux in Elementary OS
   Possibly first Check for a Newer Release with:

   sudo apt search avidemux

   And at this time the Command is:

   sudo apt install avidemux2.7