Step-by-step – Arduino IDE Installation in Fedora 35

Installing

2. 2. Setting Up Flatpak

   How to Setup Flatpak on Fedora 35

   Flatpak Fedora 35 Installation Guide

   Flatpak Fedora 35 Setup

   First, check if it’s already there:

   which flatpak

3. 3. Installing Arduino IDE

   Then to Install Arduino IDE Flatpak App on Fedora 35
   Simply 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://flathub.org/repo/appstream/cc.arduino.arduinoide.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 Components are Downloaded and Installed.