Bests & Worsts Reviews from Amazon

This product is aimed at computer ignorant only. I use several programs that do the same thing or better. SlimCleaner, Malwarebytes, CCleaner (all free). But none of them speed my PC's up. All computers slow down over time and there is not much you can do about it. I suspect the positive reviews are all friends of the scammer. Adding RAM will speed your PC up, or doing a factory reset will definitely speed things up.