Flatpak is installed by default on Rocky Linux 8 and newer, when installed with a software selection that includes GNOME (Server with GUI, Workstation). If you are using such a system, you may skip this step. To install Flatpak on Rocky Linux, run the following in a terminal:
sudo dnf install flatpakFlathub is the best place to get Flatpak apps. To enable it, download and install the Flathub repository file or run the following in a terminal:
flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepoTo complete setup, restart your system. Now all you have to do is install apps!