Step-by-step – JDownloader Installation in Ubuntu 22.04

Installing

2. 2. Installing JDownloader

   Then to Install JDownloader Flatpak App on Ubuntu 22.04
   (In case first see: Terminal QuickStart Guide.
   )
   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://dl.flathub.org/repo/appstream/org.jdownloader.JDownloader.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 and Installed.

3. 3. Launching JDownloader

   Finally, Launch & Enjoy JDownloader
   Use the Desktop Launcher:

   
   Of from Shell with:

   flatpak run org.jdownloader.JDownloader