Use the Virtual Touchpad on Windows 10. Microsoft is adding several new ways to interact with your devices. In the Insider Preview build 14965 for PCs, the company introduced a Virtual Touchpad that gives you an on-screen touchpad to replace mouse when necessary.
To enable the Virtual Touchpad, press the Taskbar or right click on the Taskbar, and from the menu options, tap/click on the Show touchpad button.
This will display a Touchpad icon on the bottom right of the Taskbar, near the clock. Tapping or clicking the Touchpad icon, will display the Virtual Touchpad.
Once you’ve placed it where you wish, you can drag your finger on the touchpad for pointing. Also, just like the physical touchpad on your laptop, you can configure the Virtual Touchpad with the same settings by navigating to Settings>Devices>Touchpad.