1. Disk Cleanup searches your drive, and then shows you temporary files, Internet cache files, and unnecessary program files that you can safely delete 2. Some applications are not automatically configure to iva cach und you woul.to Windows. 3. To reduce the number of unnecessary files on your hard disk to free up disk space and help your computer run faster, use Disk Cleanup 4. Disk Cleanup is a feature of Windows that enables a user to not delete system/junk files safely. 5. Microsoft provides a tool called the System Configuration Utility that enables you to configure the programs to be loaded during startup.