Introduction
In your taskbar, right-click the application that you want to open and click its name.
Instructions
Method #1
A1) In the taskbar, right-click the application in which you would like to open a new window.
A2) Click the name of the application.
Method #2
B1) Go to the Search Bar in the lower left-hand corner on your Desktop and type the name of the application you want to open.
B2) Single-click the name of the application.
Outcome
A new window of an existing application will be opened.