The Fn key is also known as the function key, and on Windows and most Mac keyboards, you'll find it located in the bottom-left corner of your keyboard.

The function keys on your keyboard are the most powerful computer tools that you're not using. We're going to fix that.

Can't change screen brightness? If the Function key for Brightness is not working in Windows 11/10, the problem may be with drivers. This post will help you fix the issue.

Why is F5 Refresh not working? If the F5 key does not refresh your PC or function correctly on Windows 11/10, one primary cause could be that the function keys are locked.