title: Creating a virtual monitor/virtual display device
body: <p>I'm trying to create a "virtual monitor" in Windows (XP &amp; newer). For example, let's say my desktop looks like this:</p>
  
  <p><img src="https://i.stack.imgur.com/s29i5.png" alt="enter image description here"></p>
  
  <p>I want to add a monitor virtually so it looks like this without any change in hardware:
  <img src="https://i.stack.imgur.com/dfCmA.png" alt="enter image description here"></p>
  
  <p>How do I do this? Do I add a virtual driver? Or trick Windows into thinking there is new hardware?</p>