1, right-click drive C-Properties.
Click Open, and then click Disk Cleanup.
3. Check the scan results, and then click Clear.
Second, the startup item cleaning:
1, click Start-Run.
2. Enter MSConfig in operation, and then click OK.
3. Click Start, check antivirus, input method, etc., and click Start.
4. Restart the computer.
Third, the use of third-party software 360 security guard plug-in function cleaning:
1, open 360 security guards.
2. Click More in the lower right corner.
3. Click Add Disk C to move and streamline the system disk.
Manual cleaning: Open drive C, download and store software, video and MP3.
, documents, etc. Go to another drive letter.