Microsoft’s new PC Manager takes the place of some other utilities such as CCleaner and offers quick, easy access to built-in Windows functions that are often several layers deep in Settings or the Control Panel. In Short Circuits: If you’ve ever wished you could unsend an email because you forgot to add an attachment or make an important point, SendLater will save the day, but only if you use Thunderbird. • Stardock’s SoundPackager makes it easy to add, change, or delete sounds that Windows plays to notify users of specific events, and it cost just $5.