Tools/materials: Lenovo Y7000P, Windows 10.
1. After entering the Windows My Computer page, right-click drive C, and click Properties in the new window that pops up.
2. After opening the property page of drive C, click Disk Cleanup in the page.
3. Select the useless file to delete in the new page, click OK, and click Delete File in the pop-up window.
4. You can see some files in the pop-up window, which are from disk C. Select the right button to delete and clean them up.