Background

• The Disk Cleanup utility is supplied as part of the Windows operating system. The utility removes various temporary files and will compress files that are not used often to free up hard drive capacity.
  
  

Frequency

• Microsoft recommends running the utility on a weekly or monthly basis, depending on how heavily the PC is used. If your computer warns that you are running low on hard disk space, it is recommended to use the utility often to keep as much disk space free as possible.
  
  

Recommendation

• Microsoft suggests using Disk Cleanup as a part of a regular maintenance regime for your PC. This regime should also include uninstalling unused applications, scanning the machine with Internet security software and de-fragmenting the hard drive.