The role of F1 ~ F12 in the Windows operating system

We will see the function keys F1 ~ F12 on the keyboard, all keyboards have at least 12 function keys, usually called F key, its position is generally At the top of the keyboard, from F1 to F12. So what are the functions of these function keys? The following is a brief introduction to their usefulness, which can bring us some convenience when operating computer
. F1:
If you need help in a selected program, press F1. If you are not in any program, but in the Explorer or on the desktop, press F1 and the helper for Windows
will appear. If you are working on a program and want Windows
help, you need to press Win+F1. Pressing Shift+F1 will display the help information for "What's This?". F2:
If a file or folder is selected in the Explorer, pressing F2 will rename the selected file or folder. F3:
Press F3 on the Explorer or on the desktop, and the “Search for Files” window will appear, so if you want to search for files in a folder, just press F3. The key quickly opens the search window and the search scope is already set to this folder by default. Similarly, pressing it in Windows Media Player will bring up the "Add to Media Library" window by searching the computer. F4:
This button is used to open the address bar list in IE. To close the IE window, you can use the Alt+F4 key combination. F5:
is used to refresh the contents of the current window in IE or Explorer. F6:
You can quickly locate the address bar in the Explorer and IE. F7:
has no effect on Windows. However, in the DOS window, it is useful, give it a try! F8:
When you start your computer, you can use it to display the boot menu. Some computers can also press this button at the beginning of the computer to quickly call up the boot settings menu, from which you can quickly select whether to boot from a floppy disk, or boot from a CD, or boot directly from the hard disk, without having to enter the BIOS to modify the boot sequence. In addition, you can also accept the Microsoft installation agreement when installing Windows. F9:
It also has no effect in Windows. But it can be used to quickly reduce the volume in Windows Media Player. F10:
is used to activate menus in Windows or programs. Pressing Shift+F10 will bring up the context menu. The role of the Application key in the keyboard is the same. In Windows Media Player, its function is to increase the volume. F11:
can make the current resource manager or IE full screen display.

F12:
It also has no effect in Windows. But in Word
, pressing it will quickly pop up a window saved as a file.