Input.touchSupported alwayes returns false and input.touchcount always returns 0 even my Windows 10 Dell laptop supports touch screen . I am Using Unity 5.5.1f1 , anyone please help me thanks in advance.

I am Using Unity 5.5.1f1 and touchscreen windows 10 laptop, i am trying access touch gestures from player but Input.touchSupported and input.touchcount always returns false and 0 respectively.
anyone can help me please thanks in advance.

@Mike 3

Lot of time was wasted due to this issue will please give me any solution for this issue.

use pointer press.
my game use pointer press (multi touch)
pointer press is easy