What are the F1 through F12 keys? Commonly known as function keys on a computer keyboard, F1 through F12 may have a variety of different uses or no use at all. The operating system installed on the computer and the software program currently open can change how each of these keys operate. A program is capable of not only using each of the function keys, but also combining the function keys with the ALT or CTRL key. For example, Microsoft Windows users can press ALT + F4 to close the program currently active. Note: Some keyboards include additional functions on the function keys, which can be activated by pressing the FN key, usually located near the CTRL key, and the appropriate function key. The additional functions available with the use of the FN key will differ depending on the type and brand of keyboard being used. Please check your computer's documentation or manufacturer's website for specific details on which features are available on your keyboard function key...
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