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Description: If you have recently installed Windows 8 and you get a message that says Windows is not Activated here is a possible solution. Open an elevated Command Prompt by moving your mouse into the bottom left hand corner of your screen.
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Right Click and select Command Prompt (Admin).
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Type in slmgr.vbs /ipk <insert your product key here> (replacing <insert your product key here> with your actual product key) and then press ENTER.
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