which app is open on this computer
Whether youâre running Windows 10 on a PC, laptop, or tablet, you can bring any missing app to the forefront by following these two quick steps: Click or tap the Task View button. The screen clears, and Windows displays miniature views of your open apps and programs, shown here. Click the Task View button to see thumbnail views of each of your currently running apps and programs. Tap or click any thumbnail to return the app or program to full size.