Function Keys on Keyboard

The function keys are present in each keyboard. There are a total of twelve function keys labelled from F1 to F12. Each function key is designed to carry out a specific activity. The use and function of each function key are described below. 

1. F1 Key

The uses and functions of F1 key are as follows:

1. This key is almost universally used to launch the Help and Support screen.
2. F1 with the Windows key displays the Windows Help and Support screen.
3. It is used to access the CMOS setup.
4. Pressed Ctrl and F1 to open The Task Pane.

2. F2 Key

The uses and functions of F2 key are as follows:

1. Most people use this key to rename files, folders, or icons.
2. Press Ctrl and F2 together to open the print preview window in MS Office
3. It is utilized to enter into the CMOS setup.
4. Press Alt, Ctrl and F2 together to open a document window in MS Office.
5. Press Alt + F2 to open the 'Save As' window in Microsoft Excel.
6. It is utilized to reduce the laptop screen's brightness.
7. Press Shift and F2 together to add a comment box in MS Excel. 

3. F3 Key

The uses and functions of F3 key are as follows:

1. F3 opens a search box where you can search for folders and files.
2. F3 is used to open the find bar on many browsers.
3. Press Shift and F3 together in MS Word to convert text from uppercase to lowercase or all capital letters.
4. Press the Windows Key and F3 together to open the Advanced find box in Microsoft Outlook. 
5. Mission control is opened by pressing F3 on an Apple computer.

4. F4 Key

The uses and functions of F4 key are as follows:

1. Alt + F4 is used to close a program window. If there isn't a window open, then it opens the shutdown dialogue box.
2. To repeat the previous action you did in Microsoft Word, press F4.
3. It used to launch the find box on Windows 95 to XP.

5. F5 Key

The uses and functions of F5 key are as follows:

1. Almost all recent internet browsers allow you to refresh or reload a webpage by using this key.
2. It is used to launch, find, replace, and go to screen in MS Word.
3. This key is used to start a slideshow.
4. A laptop's keyboard backlight can be turned by pressing this key. It is utilized to adjust the brightness.

6. F6 Key

The uses and functions of F6 key are as follows:

1. This key is utilized to move the cursor to the address bar in a current browser.
2. Use Ctrl and F6 to switch between different MS Word documents
3. It's utilized to lower laptop speakers' volume.
4. In many laptops, the laptop speaker can be muted by pressing it.

7. F7 Key

The uses and functions of F7 key are as follows:

1. Press F7 to open the Spelling and Grammar dialogue box in the Microsoft Office application.
2. Press Shift + F7 to search Thesaurus for the highlighted word.
3. It is utilized to enable Caret browsing in Mozilla Firefox.
4. This key is also used to decrease the speaker volume.

8. F8 Key

The uses and functions of F8 key are as follows:

1. By holding F8 during the Windows boot process, Windows safe mode is activated.
2. It shows a thumbnail image for each workspace on Mac OS.
3. This key is also used to increase the volume of laptop speakers, in some laptops.
4. This key is used to access the Windows recovery system, but the windows installation CD is needed.

9. F9 Key

The uses and functions of F9 key are as follows:

1. To refresh a document in MS word, press F9.
2. It is utilized to send emails in various applications, including Microsoft Outlook and Siebel CRM.
3. The Alt + F9 and Ctrl + F9 keyboard shortcuts are used by programmers to compile and run code.

10. F10 Key

The uses and functions of F10 key are as follows:

1. The menu bar of an open application in Windows OS is activated by pressing this key.
2. This key is utilized to access the CMOS setup.
3. Shift + F10 is similar to right-clicking on a highlighted icon, file, or website link.
4. Ctrl + F10 in Visual Studio is used for debugging the code.

11. F11 Key

The uses and functions of F11 key are as follows:

1. In Microsoft Excel, press Shift + F11 to create a new sheet, whereas press Ctrl + F11 to create a new macro.
2. To access the hidden recovery partition on several Dell laptops, press the keys Ctrl and F11.

12. F12 Key

The uses and functions of F12 key are as follows:

1. In the MS Office software, it launches the "Save As" window.
2. Microsoft Word documents can be printed by pressing Ctrl, Shift, and F12.
3. Press F12 to launch the browser debug tool like Firebug.
4. The dashboard can be displayed or hidden using F12.
5. The F12 key turns on and off aeroplane mode.