Hi, welcome and thank you for your question. My name is ***** ***** I am glad to assist you today.
I am very sorry about your issue. Are you saying that your newly upgraded Windows 10 computer automatically performed a "factory reset" and now everything is gone and you are reverted to your old version of Windows?
Please let me know by replying to me here so that I can help you further. A rating is only required when we are finished.