You need to set up the network connection from Fedora's network manager.
You could start from the following link and go through the steps of setting up your network:
Are we talking about wireless or wired connection?
When it comes to the wired connection you shouldn't actually need to do anything. If you want to connect wirelessly
in most cases it's also just a question of typing out the network password and that's it.
Is your router set up properly? (If that's a wireless connection) Can you connect to the internet from Windows?