script! ?

hello guys..

i would know why players using script every time

and why i am not.!

so i want to know what tools or script or whatever they use! like ( auto klick)

example this video




i know this video are old.. but this is just example

i tried to find some script but it is ( for sale) so nothing free XD

any way i am waiting :D for help

Then buy it? Or make your own.