Disk Cleanup helps free up space on your hard disk in return in creating system performance.

Disk Cleanup searches your disk, and then shows you temporary files, Internet cache files, and unnecessary program files that you can be safely delete. You can direct Disk Cleanup to delete some or all of those files. This tool guides you through a series of tasks and systematic procedures to help you get back to work quickly.

1. Open My Computer.
   
   
2. Right-click on the hard drive icon and select Properties.
   
   
3. On the General tab, click Disk Cleanup.
   
   
   
   
4. In the list of files you can remove, uncheck any you do not want removed.
   
   
   
   
5. Click OK.
   
   
   
   
6. Click Yes to confirm that you want to delete the files.