Product key for Windows 8.1 does not work

In November, I bought a laptop Lenovo Y50 comes with 8.1 Windows already preinstalled. After a month or two, a message kept popping up telling me to activate windows. He then would take me to PC settings to activate it. I could see that there is already a used product key, but it said that I had not yet activated. I found my product key but eveytime I try to enter, an error comes up saying "the key did not work. Please check and try again or try a different key.

Also if I try to activate Windows online it doesn't let me do. Someone has any ideas why this happens?


Tags: Lenovo Products

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