RetroArch Installation in Linux Mint – Step-by-step

How to Install

2. 2. Setting Up Flatpak

   How to Install Flatpak on Linux Mint

   Flatpak Mint Setup Guide

   How to Install Flatpak on Mint GNU/Linux.

   To check if it’s already there use:

   which flatpak

3. 3. Installing RetroArch

   Then to Install RetroArch Flatpak App on Linux Mint
   To Setup the Repo play:

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

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

   flatpak install https://dl.flathub.org/repo/appstream/org.libretro.RetroArch.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’s User or Admin Pass.
   Then Confirm the proposed Setup with ‘Enter’ and Wait patiently until the App is Downloaded, Build and Installed.