need help regarding touchpad scrolling

Hey there :) i have installed the touchpad drivers from dell website but still i am not able to find the option of touchpad or gesture controls in the mouse/pointer settings or when i search for main.cpl in the search box i get only 4 options no other than that. please help me out i have dell vostro 3558 win8.1 4gb ram i3. i searched and found that it supports multitouch touchpad so hope to get a reply soon. Thanks in advance :)