Andrew says to install from the Netinstall iso or DVD. Click on either of the 2 links below.
https://www.youtube.com/watch?v=yYF71glpYlA this video shows the command for NetworkManager-tui
https://www.youtube.com/watch?reload=9&v=yVJaZ1zoMkw another video on NetworkManager-tui
https://rpmfusion.org/ the linked page (left) is also copied and pasted (below)
Command Line Setup using rpm
To enable access to both the free and the nonfree repository use the following command:
Fedora 22 and later:
sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
Silverblue 29 and later:
sudo rpm-ostree install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
# You will have to reboot for the rpmfusion repositories to appear)RHEL 6 or compatible like CentOS:
sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-6.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-6.noarch.rpm
RHEL 7 or compatible like CentOS:
sudo yum localinstall --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-7.noarch.rpm
Fedora 30
server