How to use Win10 disk cleaning function?

Win10 system to clean up the disk and defragment the disk is a good way to reduce system garbage and speed up the operation, but everyone is very confused: How to use Win10's own disk cleaning function? In fact, Win10 comes with a cleanup function that is similar to Win7 and is relatively easy.
The first step, double-click the desktop computer icon (Win7 and Win8 are computers)

The second step, in this computer interface, click on the C drive (other non-system disk) Right click, select "ldquo; attribute" in the menu,

Step 3, in the local disk (C:) property interface, find and click "Disk Cleanup"