Image result for How to Add Touch Keyboard to Taskbar on Windows 10
Click on Start > Settings > Personalization > Taskbar. Scroll down and click on Select which icons appear on the taskbar. Click on Turn system icons on or off. Toggle Touch keyboard on or off.
How do I get the touch keyboard on Windows 10?
Go to Start , then select Settings > Ease of Access > Keyboard, and turn on the toggle under Use the On-Screen Keyboard. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it.