1. Click Start and select Settings.
2. Click "System".
3. Select "Save" on the left.
4. Turn on "Storage Awareness" for automatic cleaning, and click "Change Details".
5. Pull to the bottom and click "Clean Now".
6. Go back to the previous floor and click "Free space immediately" to clean the C drive.
7. Enter the interface where automatic scanning can delete temporary files.
8. Wait for the deletion to complete.