After you’ve used Disk Cleanup, you probably expect every temporary file to be completely deleted, but that’s not actually the case. Files are only deleted if they are older than 7 days old, but you can tweak that number to something else.

This is one of those tutorials that we’re showing you for the purpose of explaining how something works, but we’re not necessarily recommending that you implement it unless you really understand what’s going on. Keep reading for more