Press Windows+U to open the Ease of Access Center, and choose Start On-Screen Keyboard. Way 3: Open the keyboard through Search panel. Step 1: Press Windows+C to open the Charms Menu, and select Search. Step 2: Input on screen (or on screen keyboard) in the box, and tap On-Screen Keyboard in the results.Way 4: Turn on this keyboard by means of Run. Step 1: Right-click the lower-left corner, and choose Run in the Quick Access Menu.tep 1: Press Windows+C to open the Charms Menu, and select Search. Step 2: Input on screen (or on screen keyboard) in the box, and tap On-Screen Keyboard in the results. Way 4: Turn on this keyboard by means of Run. Step 1: Right-click the lower-left corner, and choose Run in the Quick Access Menu.