It’s easy. Just scan a disk and see all of your files and folders as a visual interactive map. Find an unusually large file. Preview its content, and delete if you don’t need it anymore.
anchor apple generic and identifier "com.daisydiskapp.DaisyDiskStandAlone" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = "4CBU3JHV97")