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 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.

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.