Moin,
I installed the upgrade like this:
sudo dnf upgrade --refresh
sudo dnf system-upgrade download --releasever=42
sudo dnf system-upgrade reboot
After reboot only gnome, gnome classic and hyprland were selectable.
I did another
sudo rpmconf -a
, but there were no new configs, or everything was automatically upgraded to the new ones during the upgrade.
sudo dnf groupinstall "XFCE Desktop"
Unknown argument "groupinstall" for command "dnf5". Add “--help” to get more information about the arguments.
It could be a command provided by a plugin. Try: dnf install 'dnf5-command(groupinstall)'
sudo dnf group install "Xfce Desktop"
[sudo] Password for drbash:
Update and load package sources:
Package sources loaded.
Failed to resolve transaction:
No match for argument: Xfce Desktop
You can try the following from the command line
Now, of course, I don’t know what to do.
Gnome is not my thing 
Edit:
sudo dnf install @xfce-desktop-environment
Went, but most of it was already installed.
Transaction is executed
[1/6] Verify package files 100% | 166.0 B/s | 4.0 B | 00m00s
[2/6] Prepare transaction 100% | 11.0 B/s | 4.0 B | 00m00s
[3/6] Install ibus-table-0:1.17.11-1.fc42.noarch 100% | 59.5 MiB/s | 3.1 MiB | 00m00s
[4/6] Install ibus-table-chinese-0:1. 8.12-7.fc42.noarch 100% | 12.5 MiB/s | 38.4 KiB | 00m00s
[5/6] Install ibus-table-chinese-cangjie-0:1.8.12-7.fc42.noarch 100% | 349.6 MiB/s | 5.2 MiB | 00m00s
[6/6] Install intel-vsc-firmware-0:20250311-1.fc42.noarch 100% | 3.4 MiB/s | 7.5 MiB | 00m02s
Completed!
After that I still could not select XFCE. So I added another:
sudo dnf remove @xfce-desktop-environment
Then I rebooted and tried again:
sudo dnf install @xfce-desktop-environment
tried again.
Unfortunately, XFCE is still not in the list when you click on the cogwheel at login.
Thank you very much for your help.
