But windows 10 IS activated

_Vault_Dweller_

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Jun 29, 2014
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During the summer I got the free upgrade to windows10 from my already activated copy of win 8.1. Everything was all hunky dory until today when it said that it wasn't activated. So I tried the code that I used for the 8.1 activation and it did not work. What the heck Microsoft? Thought this was a free upgrade. Is there anyway that I can activate it without rebuying the os? And if I cant, is there a way to get rid of the stupid watermark?