What is the keyboard used for from F1 to F12?

F1: If you are in a selected program and need help, press F1. If you are not in any program, but in Explorer or on the desktop, press F1 and the Windows helper will appear.

If you're working on a program and want to get help from Windows, you'll need to press Win F1. Press shift+f1 and it will appear"what\'s this?"for help information.

F2: If a file or folder is selected in Explorer, pressing F2 will rename the selected file or folder.

F3: Press F3 in Explorer or on the desktop, and the "Search Files" window will appear, so if you want to search for files in a folder, then press the F3 key directly to quickly open the search window, and the search scope has been set to that folder by default. Similarly, press it in Windows Media Player and a window that says "Add to Library by Searching for Your Computer" will appear.

F5: Used to refresh the contents of the window currently in IE or Explorer.

F7: Doesn't work in Windows. But in the DOS window, it works, give it a try!

F8: You can use it to display the boot menu when you start up your computer. Some computers can also press this key at the beginning of the computer boot to quickly bring up the boot settings menu, from which you can quickly choose whether to boot on a floppy disk, a CD, or directly with a hard disk, without having to go into the BIOS to modify the boot sequence.

In addition, it is possible to accept Microsoft's installation agreement when installing Windows.

F9: Again it doesn't work in Windows. But in Windows Media Player, it can be used to quickly lower the volume.

F10: Used to activate the menu in Windows or programs, pressing Shift F10 will bring up the right-click shortcut menu. The application key in the keyboard functions the same.

Whereas, in Windows Media Player, its function is to increase the volume.

F11: You can make the current explorer or IE full-screen.

F12: Again it doesn't work in Windows. But in Word, pressing it will quickly pop up the Save as File window.

F1 Help. f2 renamed.

f3 to switch web pages.

F4 adjusts the screen.

The analysis is as follows: 1. F1: help function.

In the Windows system or system, press F1 in the program or explorer, the help interface will generally appear, and there is a small trick, if you are operating a program, you need to see the system help, you can press win plus F1 at the same time.

2. F2: Rename function. In System Explorer, if you want to rename a file or folder, select the file or folder and press F2.

5. F5: refresh function. Press F3 to refresh the content of the desktop, the current interface, or the window.

7. F7: There is no shortcut function in the Windows operating system.

8. F8: Display the startup menu function. When booting the Windows system, press F8 to display the boot menu.

9. F9: There is no shortcut function under the Windows operation interface, but pressing F9 under the Media Player of Windows can quickly reduce the volume.

10. F10: Open the menu function. In the operation interface, press shift and F10 to open the shortcut menu of the operation interface.

11. F11: full-screen function. In the window, press F11 to quickly make the window full-screen.

12. F12: Save as function. In a Word document or a specific program, press F12 to quickly open the file and save it as a program.

F1: If you need help in a selected program, press F1 to get help. If you are not in the program, you are in Explorer or on the desktop, pressing F1 will bring up the helper of the Windows interface.

f2: If a file or folder is selected in Explorer, pressing f2 will quickly rename the selected file or folder.

F3: If you want to search for a file in a folder, press the F3 key to quickly open the search window, and the search scope is set to that folder by default. If you press F3 in Windows Media Player, the window "Add to ** Library by Searching for Your Computer" will appear.

F5: If you want to refresh the contents of the window you are currently in in IE or Explorer, you can press F5.

F7: Press F7 to list all the used ones, and the record will be automatically cleared when the window is closed. In fact, it doesn't have any role in Windows, it will only show its role in the DOS window, it will show some DOS commands that have been used recently, if you enter some commands under the command line, the system will help you automatically record, when you need to enter the same command again, you can directly press the up and down arrows to call up the corresponding commands.

F8: Press F8 to display the startup menu when you start the computer. You can quickly bring up the boot settings menu, quickly select floppy disk boot, or disc boot, or directly boot with hard disk, and enter the BIOS to modify the boot sequence.

In addition, it is possible to accept Microsoft's installation agreement when installing Windows.

F9: Pressing F9 doesn't actually have any effect in Windows. But in Windows Media Player, it can be used to quickly turn down the volume.

F10: Press F10 to activate Windows or in-program menus, and Shift+F10 will bring up the right-click shortcut menu. In Windows Media Player, it can be used to increase the volume.

F11: Press F11 to make the current explorer or IE a full-screen display.

F12: Pressing F12 has no effect in Windows. In Word, it will quickly pop up the Save as File window.