Empty the Recycle Bin
Delete temporary files
Use Disk Cleanup
Uninstall unused programs
Remove large files you no longer need
Move files to an external drive
Move files to cloud storage
Delete duplicate files
Clear Downloads folder
Clear browser cache
Remove old system restore points
Disable hibernation if not needed
Compress files and folders
Clean up the Desktop
Delete old Windows update files
Use Storage Sense
Find and remove large apps
Move photos and videos to another drive
Clear app caches
Run a storage analysis tool