Getting Started
3. Launching KeePass
Now, to Start KeePassXC UI
From Command Line execute:keepassxc
Or Use the Desktop Launcher:
Here above for a GNOME Desktop.
4. KeePassXC Getting-Started Guide
Getting-Started with KeePassXC on GNU/Linux

So Now I’m truly Happy if My Guide could Help you to Quick-Start with KeePassXC on Fedora 31!