F1
Opens the help menu when pressed with the Windows button.
F2
Allows you to edit the selected folder or file name in Windows Explorer & Cell
F3
The opens search feature in Windows Explorer
F4
Alt + F4 closes the window
F5
Starts slideshow in PowerPoint
Refreshes Internet browser pages
F6
Goes to the next page in a split-screen in Microsoft Word
F7
F7 does a spelling and grammar check in Microsoft Word
F8
In Excel, enables extend mode for arrow keys
F9
Refreshes document in Microsoft Word
F10
Opens menu bar
F11
Exits and enter full-screen mode in browsers
F12
It Opens Save as in Word