How to run Disk Cleanup in Windows Vista By Drew Mathers | October 22, 2015 1 1. Click: Start 2 2. Click: All Programs 3 3. Click: Acessories 4 4. Click: System Tools 5 5. Click: Disk Cleanup 6 6. Click: Files from all users on this computer 7 7. Click: Continue 8 8. Wait for the process to complete 9 9. Click: OK 10 10. Click: Delete Files 11 11. Wait for the process to complete 12 Posted in Supplemental