Click on an App in that list or drag it to the center of the
screen. Now, you can check the selected App which is
Right-click over the App in the list and click Close to exit the
Running Two Apps at the Same Time
Select the Apps in the Start screen.
Move your mouse pointer to the top of the screen. Your
mouse pointer changes to a hand shape.
If you click and hold your mouse button and move left or
right, you can split the screen to display multiple Apps.
Move the Screen Split Bar to change the screen split ratio.
Supported screen split ratios are 3:7 or 7:3.
Ex) If you run the Weather App and Store App at the same time
Using Windows 8