Empty the Recycle Bin or Trash
Delete temporary files
Uninstall unused programs
Remove duplicate files
Delete large files you no longer need
Clear browser cache and downloads
Move files to an external drive
Upload files to cloud storage
Delete old system restore points
Disable hibernation if not needed
Clean up the Downloads folder
Remove unused user accounts
Compress files and folders
Clear app caches
Use disk cleanup tools
Move photos and videos to another storage device
Remove old backups
Delete unused language packs
Check storage settings for space usage
Restart after cleanup to refresh storage usage