Step-by-step – PlayOnLinux 5.0 Installation in Ubuntu 20.04 Guide

Setting Up

2. 2. Setting Up Flatpak

   How to Install Flatpak on Ubuntu 20.04

   Here Flatpak Ubuntu 20.04 Installation Guide

   How to Install Flatpak on Ubuntu 20.04

3. 3. Installing PlayOnLinux 5 Flatpak

   Then to Install PlayOnLinux 5 Flatpak App on Ubuntu 20.04
   To setup the Repo play:

   Copy

   flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

   For further Insight see the Flatpak Official Documentation.
   And after:

   Copy

   flatpak install https://dl.flathub.org/repo/appstream/org.phoenicis.playonlinux.flatpakref

   The Flatpak App Setup do Not need the sudo Command because then it Runs confined into a Sandbox.
   However you’ll be Prompted to Authenticate with your User or Admin Pass.
   Then Confirm the proposed Setup with ‘Enter’ and wait until the App is Downloaded and Installed.