To restore the full website backup in cPanel.
Step-1: login to cPanel
Step-2: In the file section click on backup wizard button
Step-3: After that go to restore section and click on restore button.
Step-4: Then go to select restore type section select the type you wish to restore.
Step-5: After that choose the file and where you have downloaded the file in the computer, select it and after that I click on the upload button.
After following these steps on cPanel you have successfully to Download and restore full website backup on cPanel