Empty the Trash
Delete large files you no longer need
Remove duplicate files
Uninstall unused apps
Clear Downloads folder
Delete old iPhone or iPad backups
Remove email attachments and large mail files
Clear browser cache and downloads
Move photos and videos to external storage or cloud storage
Delete old DMG, ZIP, and installer files
Use Storage Management in Apple menu > About This Mac > Storage
Enable Optimize Storage for iCloud
Reduce clutter in Desktop and Documents folders
Remove unused language files and system junk with care
Restart your Mac after cleanup
Use external drives for large media and projects