Problem of reactivation of Windows 8 Pro key after turning off

Dear friends,

I had installed the retail version of Win 8 Pro on my laptop in 2012. When I needed to sell my laptop in 2015, I disabled just my Windows 8 Pro key.

Then I tried to install windows on my new office, my product key does not work. I get the error as "this key does not work. He also says that my license product key is for upgradation and not for the new facility.

Please help me

Hello Rahul,

Thanks for posting your question on the Microsoft community.

I would like to know some information about the problem so that we can help you better.

What is the message full error when you say, "this key does not work?

I appreciate your for details on the issue.

This problem can occur because of incorrect registry settings.

Please refer to the suggestions of KieranEves responded on October 26, 2012 and check if it helps.
http://answers.Microsoft.com/en-us/Windows/Forum/windows_8-windows_install/Windows-8-Pro-product-key-doesn ' t-work/a08e8a9f-db56-480a-8ee6-1310f9907bbd

Note: Serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:
https://support.Microsoft.com/en-us/KB/322756

I hope this information helps.

Please let us know if you need more help.

Thank you

Tags: Windows

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