|It will be a feature that is provided by the software/driver for your touchpad. If there is no setting in Control Panel for your mouse/touchpad then you'll need to download it. Each manufacturer is different so you need to go to the laptop manufacturer's website, search for your model and download the touchpad software from there.|
If you need specific guidance then you will need to post back and include the make & model of your laptop.
"I've always been mad, I know I've been mad, like the most of us..." Pink Floyd