Download this tool and set it to run regularly.
By Nimrod Aldea Nov. 1, 2026 11:15 am EST Nwz/Shutterstock Add Engadget on Google: Google DiscoverMost people know a desktop PC needs cleaning now and then. The usual advice is physical: Open the case, clear out the dust, check the fans. We've covered that in our guide to cleaning and organizing your Windows PC. But there's a second chore that gets far less attention: the junk piling up inside Windows itself. Microsoft ships a few tools for it, and we wanted to know how well they work, so we ran a scan-only test of each on the same drive. Nothing was cleaned, and nothing was deleted. What follows is what each tool offered to remove.
