FN Lock

FN keys can serve to provide an additional layer of control over one's machine, as they allow users to navigate through their system more efficiently, and thus speed up their workflows. While FN keys are often included in most keyboards, a software solution can add some additional functions that may be even more convenient to reach.

That's how FN Lock works: it can lock and enable your FN keys, as well as allow users to designate custom controls via their F keys. This is all handled in the main interface, which makes customizing for your use case a straightforward process.

The developer touts their software as "simple and quick", and perhaps that's the best description for such a tool. It requires virtually no setup, and the interface is the very definition of practical and straightforward. You can lock your FN keys through the Toggle Lock button, but you can also make use of the Ctrl+Alt+L hotkey if you wish.

After that, you can start configuring what you want your function (F1-F12) keys to do. The options on offer are plenty, and you're free to personalize them however you like. As for the options themselves, you can choose to lower or raise the volume and brightness levels, launch your default browser, send your PC to sleep, and other such commands. You can also have your F keys take on the function of other keys, such as Tab, Enter, Insert, and so on.

After customizing everything per your needs, you're free to start using your F keys to access the functions you've set. You'll first have to lock the FN keys. The shortcuts will then be accessible solely through the F keys - no further key combinations are needed.

Overall, FN Lock is an easily accessible, practical piece of software. Affording the user the ability to trigger several functions through their F keys can speed up their productivity, as well as make navigating around their system a smoother affair.