To set up multiple screens for display following the below instructions: 

Click the start menu icon at the bottom left of the screen.

With the start menu open click on the gear icon above the start icon

Once Windows settings page is open, click on system.

When you bring up the Systems page in setting you should see the following: 

While on this page, scroll down until you see the title "Multiple displays". If you click on the arrow for multiple displays it should bring up the following options: 

Make sure "Extend these displays" is correctly selected from the list. 

Once correctly selected, you should have two screens that can individual be worked on.