How to cleanup disk? Clear windows prefetch directory.
Disk Cleanup is the best, quickest and easiest way to remove temporary files from your system.It is the powerful application which removes all the temporary files,folders and empties recycle bin.

Features of disk cleaning:

• Disk cleaning covers and tracks on internet.It deletes all the traces which are stored in your hard disk. Which includes:
• Browse cache.
• Browse History.
• Delete Cookies.
• And deletes all bookmarks. This is optional and disabled by default.
• Empties recycle bin.
• Empties various temporary folders.
• Removes unnecessary registry files and entries.