1. Know About Function keys

2. F1 key
Almost always F1 is used as the help key, almost every program will open the help screen when this key is pressed.
Microsoft word help Assistant

3. F1 key
While starting your computer pressing F1 key take to you in Computer BIOS setting also called as CMOS setup.

4. You can search the topic which you want .
F1 would open the Microsoft Windows help and support center.
You can search the topic which you want .

5. F2 Key Ctrl + F2 displays the print preview window in Microsoft Word.

6. While starting your computer pressing F2 key take to you in Computer BIOS setting also called as CMOS setup.

7. In Windows F2 is used to rename a highlighted icon or file.
Icon renamed

8. Alt + Ctrl + F2 opens a new document in Microsoft Word

9. F3 Key Shift + F3 will change the text in Microsoft Word from upper
to lower case or a capital letter at the beginning of every word

10. F3 key
In MS-DOS or Windows command line F3 will repeat the last command.
Press F3 repeating the command

11. F3 Key A search feature for many programs including Microsoft Windows

12. Alt + F4 will close the program currently active in Microsoft Windows.
F4 Key
Alt + F4 will close the program currently active in Microsoft Windows.

13. F5 Key Open the find, replace, and go to window in Microsoft Word.

14. F5 Key
In all modern Internet browsers pressing F5 will refresh or reload the page or document window.

15. F5 Key Starts a slideshow in PowerPoint

16. F6 key
Move the cursor to the Address bar in Internet Explorer  and Mozilla Firefox.
Ctrl + Shift + F6 opens to another open Microsoft Word document.

17. F7 Key
Commonly used to spell check and grammar check a document in Microsoft programs such as Microsoft Word, Outlook, etc.

18. F7 key Turns on Caret browsing in Mozilla Firefox.
Shift + F7
Runs a Thesaurus check on the word highlighted

19. F8 key
Commonly used to access Windows Safe Mode

20. F10 key
In Microsoft Windows F10 activates the menu bar of an open application.
Shift + F10 is the same as right-clicking  on a highlighted icon, file, or Internet link.
Right click options

21. F 10 Key Access the hidden recovery partition on HP and Sony computers.
Enter CMOS Setup.

22. Full-screen mode in all modern Internet browsers

23. F 12 key Open the Save as window in Microsoft Word.
Ctrl + F11 as computer is starting to access the hidden recovery partition on many Dell computers.
F11 key Access the hidden recovery partition on eMachines, Gateway, and Lenovo computers.
F 12 key Open the Save as window in Microsoft Word.
F12
Save as window

24. Shift + F12 save the Microsoft Word document
Ctrl + Shift + F12 prints a document in Microsoft Word
Printing
a document

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