Install HandBrake From Flatpak

Install

Run the following chain of commands to install flatpak if you don't have it, add the flathub repository, and use that repository to install Handbrake.

sudo apt update && sudo apt install -y flatpak \
  && flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo \
  && flatpak install flathub fr.handbrake.ghb -y

Install Quicksync Plugin

If you want to make use of your Intel Arc GPU, then you will also need to download the Quicksink plugin (download page) and install that:

wget https://github.com/HandBrake/HandBrake/releases/download/1.7.3/Plugin.HandBrake.IntelMediaSDK-1.7.3-x86_64.flatpak
sudo flatpak install Plugin.HandBrake.IntelMediaSDK-1.7.3-x86_64.flatpak

Start It

After this, you can start handbrake by running:

flatpak run fr.handbrake.ghb &