Alt + F4 is a Windows keyboard shortcut that completely closes the application you're using. It differs slightly from Ctrl + F4, which closes the current window of the application you're viewing.

There are many things PC users may struggle with when adjusting to using a Mac, including the keyboard layout. An Apple computer's keyboard isn't much different from a PC's in the broad sense, but ...

The combination of ALT + F4 is useful for shutting down applications and systems. It is one of the most-used keyboard shortcuts. However, many users report that the combination doesn’t work. If you ...