Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to know that you are facing problem with your touchpad on windows 10 computer.
you will see a notification icon on the bottom right hand side next to the wifi icon click on that you will see "Tablet Mode"
Click on tablet mode and the touch should be activated.
Let me know if you have any question.
let me know if these settings were already selected or you had to make the changes