Run New Task: Open the Create New Task window, where you can specify a program, folder, document, or website address and Windows will open it.This works the same as the “End Task” button. This is useful if you’re not sure which window is associated with which application. Switch To: Switch to the application’s window, bringing it to the front of your desktop and putting it in focus.
You can also right-click an application in this window to access more options: