Microsoft has officially retired the traditional phone-based activation system for Windows (and MS Office) that served as a ...

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This post features solutions to fix the Windows Activation Error 0x8007251D. This error code usually occurs while trying to activate Windows, indicating a problem ...

To activate a retail version of Microsoft Windows, a user must enter the product key into Windows and then connect to the Internet or call Microsoft to validate the key. But that’s too cumbersome for ...

I propped up a Windows 8.1 Enterprise machine and I want to activate it through my KMS server. I believe I have the relevant update applied (KB2885698) but I'm having trouble finding the correct host ...

You might also see this error if you’re not connected to the Internet or the activation server is temporarily unavailable. So, you need to re-connect to the ...