[PDF] F2 / F3 / F4

What does the F4 key do?

The F4 key also has multiple functions. For example, it can be used to access the address bar in the Microsoft browser Internet Explorer. If you combine it with the Alt key, it will close an active window.

What does F2B & F3 mean?

Second preference (F2B) - unmarried sons and daughters (21 years of age and older) of lawful permanent residents; Third preference (F3) - married sons and daughters of U.S. citizens; and Fourth preference (F4) - brothers and sisters of U.S. citizens (if the U.S. citizen is 21 years of age and older).

What does F1 F2 F12 do?

The F1, F2 to F12 keys do different things in different operating systems and in different applications. Also, they can be used in conjunction with the Ctrl, Alt and Shift keys on your keyboard, altering their actions.

What does F2 mean in Windows 10?

F2 - Used by Windows for renaming files and folders. Also used by many manufacturers to let you access the BIOS settings when pressed immediately after powering on your computer. F3 - Used for searching for files and content in various apps. F4 - Pressed simultaneously with the Alt key, as in Alt + F4, it closes the active program.