Alt+F4 This key combination is a quick way to close a window in any program. Alt+Spacebar+C and Ctrl+W do the same thing. Any of the ways will allow you to close a window without using your mouse to hit the X in the upper-right corner. Alt+Tab This allows you to easily scroll through all the windows you have open. You can toggle back and forth between all open programs. Ctrl+Arrow Keys In Microsoft Word, the left and right arrows allow you to move the cursor to the beginning