Answer:
By pressing key ALT and F4 to close a window application.
Explanation:
Closing Microsoft application comes in different ways such as:
a. Pressing ALT and F4 to close an active window application.
b. Press the X button at the upper right of the screen.
If you are using a MAC or apple computer with Windows emulator, you can simply press on COMMAND key and W key to close an active window application.
