where is my disk cleaner
To open Disk Cleanup on a Windows Vista or Windows 7 computer, follow these steps: 1  Click Start. 2  Go to All Programs > Accessories > System Tools. 3  Click Disk Cleanup.  Choose what type of files and folders to delete at the Files to delete 1  section. Click 2  OK. To delete system files that are no longer needed, click Clean up system files.