If all you need to do is clear up your hard disk or maybe defragment it, then you might as well start with Piriform’s CCleaner and other freeware. Its products do what they say they’ll do, and they’re ...

It’s no secret that computers (like their users) slow down with age. Disks fill up with the detritus of use, from old file fragments to the echoes of programs that once lived but are now remembered ...