Disk Cleanup Best May 2026

: Click the Start menu or the taskbar search box and type "Disk Cleanup" .

Standard cleanup only touches user-level files. To find the "low-hanging fruit" like old Windows installations that can take up 20GB or more, you must click the button within the tool. What is Safe to Delete? disk cleanup

Introduced in Windows 98, remains one of the most reliable tools for managing storage. Unlike manual deletion, it is designed to free as much space as possible while decreasing the risk of accidentally deleting essential system files. Key Benefits of Regular Maintenance: : Click the Start menu or the taskbar

: Click OK and then Delete Files to start the process. Pro Tip: The "Clean Up System Files" Option disk cleanup