Want to come back to Windows 8 and product key is lost.

I have upgraded to windows 10, knowing that I could restore at anytime because I got the CD and the product key for windows 8 (OEM version). Now that windows 10 will soon be available in full version, I would rollback, get my free upgrade, then reported complete. However, flooded House, the items have been moved and ive lost the product key. I still have the oem box and cd. Can I get the product key? Or do I have to buy it again. I always receive amazon for her as well. I know I can get the full version if I continue to test, but I don't want to do that.

↑ This is what it looks like. Miss me the blue box that has the code on it. Still have the white one.

If I don't have to buy again, can give you links to the right places to buy CDs codes for cheap?

Thank you

Hello Nicolas,.

Thanks for posting your question on the Microsoft community.

Thank you for your query details.

It is regrettable that the product key is lost.

However, it may be stated on a label on the box OEM or it may be mentioned in any e-mail confirmation that you have received from Amazon.

If you are still not able to find the product key, you can contact your computer manufacturer.

You can buy the product key Windows 8 Microsoft store.
http://www.microsoftstore.com/store/msusa/en_US/PDP/Windows-8.1/ProductID.288401200

I hope this information helps.

Please let us know if you need more help.

Thank you

Tags: Windows

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