Change Monitor Display
Multiple Displays
Click on the Start icon on the bottom left of your taskbar.
Type in display, and click on Duplicate or extend to a connected display
Scroll down to Multiple Displays, and click on the dropdown Duplicate these displays
Click on Extend these displays and Keep Changes
Rearranging Displays
Click Identify to see which monitor is which number. The corresponding numbers will then appear on the monitors.
You can drag the displays to the left and right of each other depending on where you want each monitor (e.g. if you have monitor 1 to the right of monitor 2, when you move your mouse to the right, your cursor will enter monitor 1).
Click Apply to save the changes.
Changing Main Display
Click on the monitor you wish to be your main display, so it turns green.
Scroll down to Multiple Displays and check the box that says “Make this my main display”
The box should now be greyed out.