It'll delete temporary Windows files to free up space ... deleting all your personal data and cache related to them. This can be very helpful if you're having trouble with some apps crashing ...

The best way to keep things running smoothly is to ensure you're running the most updated version of Windows (you'd be surprised ... usage results in stored cache files that can become corrupted ...

To clear the cache of this file management application, type in “File Explorer” into the Windows search bar, click “View,” then click “Options,” and pick “Change folder and search ...