1, open this pc, right-click the system drive letter and select Properties.

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

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

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.