1, open this pc, drive C- right-click-select "Properties".

2. In the general tab of the property interface, click Disk Cleanup.

3. Wait for the disk cleaning tool to search the files on the disk that can be cleaned.

4. In the disk cleaning interface, check the items to be cleaned and click "Clean System Files".

5. Then click OK, and click Delete File in the "Disk Cleanup" that pops up.