If a program claims to be the best computer cleaner, it should remove junkware and other pointless programs while making your browser and favorite apps load quicker. Thankfully, strong cleanup software can throttle it back into gear. Just like a car, your PC gets slower over time. So if you follow a good guide to speeding up and cleaning up your PC, your machine should get better service than a free cleaner can offer.īut for quality care, use dedicated cleaning software designed and built by professionals. Free PC cleaners often stuff their product with random programs, advertisements, and other bloatware. Though most quality PC cleaners offer a free trial, you’ll need to pay for the full service to clean your whole machine.