First, confirm if you can access Cockpit by going to the https://localhost:9090, If not, follow the Fedora instructions here: Having some familiarity with Command Line is essential. Your graphical package manager may or may not include Cockpit.
https://cockpit-project.org/running#fedora
Cockpit does sometimes allow you to install “plugins” from the web GUI, but in my experience (both on Debian and Arch), it doesn’t do it to well. If you can’t install plugins for 45 Drives file sharing plugin, you will need to do it manually:
For the 45 Drives plugin to enable sharing: https://github.com/45Drives/cockpit-file-sharing (I believe it’s the “Direct from .rpm” section if you scroll down in the Readme)
From there, once you are logged into Cockpit on the left you will see a link for “File Sharing”
This isn’t as complex as it may seem as long as you follow their steps you should be golden.
I left Win8 to go full time on Linux. For several years before this, I used to host web sites professionally and build them so I was used to Centos and Debian servers but not comfortable enough to be able to manage them deeply. In other words, just enough to make them work, but more complex troubleshooting was not my strong suit.
I later landed a job where their primary systems are Linux based and through that training and learning, I became more comfortable in the CLI and have never looked back.