Almost every computer keyboard has a row of function keys at the top, but it seems like almost nobody knows what they do. They’re incredibly handy, however, and can be an invaluable part of your daily ...

Even if you’ve used the Mac for decades, I suspect you have never fully understood the Fn key. Not helping is the fact that Apple sometimes calls it the Function key, but all Mac keyboards already ...

The Fn key is short for function – this particular key allows PC users to access the second assignment of a key. It is normally found at the bottom left corner. The Function keys (F1, F2, etc) are ...

Chances are good you’ve noticed the row of numbered keys across the top of your computer keyboard that all have an “F” in front of them, but they may not get much use. If you’re using a laptop, they ...

Quick. Answer the following question without looking at your computer: What keys are at the very top of your computer keyboard? Did you answer “the number keys?” Or perhaps “Q and W and E …?” Or maybe ...

Function keys, or F-keys, are special-purpose keys on a keyboard that allow you to perform certain actions on your computer quickly. These keys comprise the top row of keyboards and are labeled F1 ...

On some computers, the function keys -- the 12 "F" keys at the top of the keyboard -- have built-in secondary functions, like changing speaker volume or monitor brightness. Using the function keys for ...

Posts from this author will be added to your daily email digest and your homepage feed. is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 ...