I had to pay to have Windows reinstalled because a you know what deleted my user profiles. In order to restore it myself I created a backup on a external hard drive. How do I restore to the clean version of Windows from the external drive. I'm assuming it would involve DOS commands.
Have you created a image backup on the external hard driver?
we can create a whole image backup on the external hard driver, then recover it back if we want.it contains a copy of Windows and copies of your programs, system settings, and files. When you restore your computer from a system image, it's a complete restoration.
we could refer to the following link for detailed steps about create image backup.
then, how to Restore your computer from a system image backup