F10
The F10 key activates the menu bar options. Types of keys that are useful when you want to select items from the Missing menu.
11. F11
You can use the F11 key to get the full screen you use. Microsoft Office Applications
12. F12
It is useful when you want files to be saved under a different name. When you press the F12 key, a “Save as” box will appear. By now you should know how to use the F key.