For Fedora package install, run the following command in a terminal after substituting your version number (e.g. 28) for XX and substituting 2 dashes for the long dash in front of nogpgcheck and repofrompath:

sudo dnf install cinelerra –nogpgcheck –repofrompath cingg,https://cinelerra-gg.org/download/pkgs/fedoraXX/

To remove Cinelerra-GG, run:

dnf erase cinelerra


Select your distro, you can find the documentation here.