Windows 8.1 (and its equivalent Windows RT edition) includes a touch keyboard for computers and tablets with a touch screen. When you touch any text field on your tablet, the touch keyboard appears on the screen. If you don't have a touch screen, then you have two options to run it. By default, it appears with a limited set of keys and lacks Function keys, Alt, Tab and Esc keys. In this article, we will look how to enable those missing keys in the touch keyboard, and, as a bonus, we will look for two possible ways to launch the touch keyboard.