Please note that the availability of the virtual Keypad varies with the type of control panel running your system. Systems based on certain control panels don't offer an onscreen keypad of this type.

Click the Keypad text button near the upper left corner of the screen.

Touch the Keypad icon near the upper right corner of the screen.

On the Android app, you can also access the virtual keypad from the  menu.  Touch the menu button at upper left and then select Keypad.