Step One: Open the Start Menu and select Settings.
Step Two: Select System.
Step Three: You are automatically on the Display tab and this is where you can change your screen settings such as Size of Text/Applications, Orientation, Resolution, and Multiple Displays.
Note: If you have more than one display, please select Extend these displays under Multiple Displays . This will increase your monitor workspace by allowing you to use all monitors as one field. Duplicating the displays will show the same interface on all screens.