When you upgrade from desktop to laptop and you are still having the monitor of your desktop with you, then use that as a separate monitor or for multiple screen. Do the following to achieve this type of computing,
Select the second monitor and check the option “Extend the desktop onto this monitor”. and keep the laptop screen as your main monitor. Now you can see that your screen is extended to the second monitor. Enjoy the super wide view of your computer screen, play games, watch movies and many more on your own Super Wide screen laptop.