There may not be anything else you can do when you press the “F” key on your Mac, but you can set up custom shortcuts to make it easier to navigate macOS. This article explains how to do it.
How to Remap a PC Keyboard for a Mac
The System Preferences app on your Mac gives you several ways to add shortcuts and other features to your keyboard.
On your Mac, select the Apple menu, then click System Preferences.
If you’re using a MacBook with a Touch Bar, you’ll see an important option on the first screen: Press the Fn key to: . You can use the function key to do other things with this menu – Expand Control Bar, Show Quick Actions, and Show Spaces – but you should leave it on the F1, F2, etc. keys to make the next step work better.
