Not sure if those files are still valid but you can find them here (If you wish to restore your files manually you can open up the Computer panel and navigate to the root of your OS drive to access the Windows.old folder.) See if this link by HTG is any help for you! If you still have more questions, you can register here on the forum and start a thread about your issue! How to Restore Your Files From the Windows.old Folder After Upgrading