Disk Cleanup function to perform the elimination of unnecessary data (Temporary data) resulting from the use of the application, delete the data in the Recycle Bin, delete the file system that doubles the data Multiple Operating System, Downloaded File System in Windows Update or Windows Anytime Upgrade, which is the Thumbnails Original database to store data that the Cut, Copy, Paste, Rename, Change, Move & Delete. In the GUI can be seen on the Context Menu Strip (Properties).