Touchs not working on my PC

Touchs not working on my PC. I open touch demo from documentation in browser. It also isn’t working.

Does your Pc have a touch screen?

You must give technical details about your hardware.
Without more informations in few days I’ll close the topic.
@tonymin

He have touchpad. Mouse emulate touches, doesn’t she?

If you mean this demo
https://editor.gdevelop-app.com/?project=example://multitouch
then it works if you use the browser in mobile mode.
developer settings → test screen size
or similar