DELL G7 7790: Why don't touchpad gestures work?

Question

Windows

Hi all!
I bought a DELL G7 7790 laptop without Windows.
I installed everything myself, I rolled all the firewood from the site .
Why don't the touchpad gestures work?
In the device manager, all devices are recognized, there are no questions.

Answer 1

Answer found.
It was necessary to install the Intel IO Driver. It was not in the list of drivers for this model, although it is needed.