Win10 Windows.old is what file Windows.old can be deleted?

What file is Windows.old in Win10

Windows.old means old files, that is, when you upgrade to the WIN10 system from an older version of the system win10 back up your old system, which is exactly what Win10 has a supporting file to restore to the old version of the feature.

Can windows.old delete it?

Old files can definitely be deleted if deleted if the WIN10 system does not want to use we can not revert to the previous version of the WIN10 system.

Go to the computer and select "C" and then right-click the pop-up menu and click "Properties"

In the General section of the window below, we click "Disk Cleanup" and it takes a while to scan.

Then in the hard Drive Cleanup window we click on "Clean System files" also need to wait a few minutes

Then, in the pop-up file window we clicked "Previous Windows Installation", click on the front of this item √, then confirm the cleanup.

Then it was determined that there would be a purge process bar.

When prompted to complete, and then enter the C disk, there is no Windows.old file, of course, you also delete the WIN10 system also old system related documents.