Install xserver-xorg-input-multitouch by entering the following commands in the terminal:
sudo apt update sudo apt install xserver-xorg-input-multitouch
Description:
Multitouch X input driver
This X input driver provides gestures support for multitouch touchpads, in particular those with integrated button.
Homepage: http://bitmath.org/code/multitouch/
Version: 1.0~rc3-1
Section: universe/x11