Install the deb files here. Then calibrate your trackpad! This is really important or it will feel really awful.

sudo iptsd-calibrate /dev/hidraw1
just like, drag your e along the edges and then throughout the trackpad. I attached my callibration on my surface laptop 7 15 inch if you care.

If you want to use it, you can just put it in /etc/iptsd.d/91-calibration-045E-0C77.conf