The Uses Of Function Keys In Keyboard

F1 : Opens the help screen for almost all the programs in the system.
F2 : Allows you to rename a selected folder or file.
F3 : Opens the search feature for the active program.
F4 : Alt + F4 closes the current active window.
F5 : Allows you to reload or refresh the document window or the page.
F6 : Moves the cursor of the mouse to the address in the browsers.
F7 : Used to spell check and grammer check in microsoft applications.
F8 : Used to access the bootmenu when turn own the computer in windows OS.
F9 : Refreshes sends and receives emails in Microsoft outlook or Microsoft Word
F10: Activates the menu bar of an open application.
F11: Enters and exit full screen mode in almost internet browsers.
F12: Opens the console dialog box in internet browsers. Save as dialogue box will opens in microsoft word.