For Online Computer Support, Ask a Computer Technician
Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.
I am sorry to hear that you are having such trouble. I will try my best to help you out and resolve the problem as quick as possible.
Why do you need a product key for, is your Windows 8.1 not working?
Where did you get this product key from?
you must have upgraded to windows 10 long time back.
For the general public, the free upgrade offer for Windows 10 ends on July 29.
let me know if you need more info.
did you read my last message.
if you have no data or have a backup of your important data then you can opt for factory restore which will bring the computer back to the original state as you got the first day. Then you can try to run a windows upgrade using the Windows updates that way you can get into windows 10.
For the general public, the free upgrade offer for Windows 10 ends on July 29
Windows 10 free upgrade for customers who use assistive technologies
I hope I’ve provided the information you were seeking. If you have any question feel free to ask.Thank you