What happens next?

How to close windows
Click on the " x " icon at the top right corner of a window to close the window.
Press " control " and " w " at the same time to close a current window.
Press " f11 " to minimize a current open window.
Press the windows logo key and the down arrow to minimize a current open window. Press the windows logo key and " m " at the same time to minimize all open windows.