Way to clean a laptop screen?

Well, I've had this laptop for almost a year now, and the screen and most of the exterior collects dust like no tomorrow. I don't exactly know what is best, but I've heard using any kind of paper towel will scratch it, yet my friends recommend Windex sprayed on a paper towel. Is there a solution to this that won't require me paying money for a super special cloth and will not harm my screen drastically?

Link to laptop for reference