About windows activation
HI, Recently, I am switched windows 10 home to pro.But after that,for some reasons,I wan't switch back to windows 10 home.Fortunately I have windows 10 home recent product key.I am sure it is correct because it is in CD.But after I enter it show entered product key not working,Try different one.I cant activate it.Can anyone give me a solution? Please! Thank you.
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