Please tell me how to change the product key when the change product key button does nothing and does not respond. my windows 7 was shown as genuine before a windows 7 update on 3-4-2017, but after i did the required update computer restart there is now the bottom right desktop message this copy of windows is not genuine.. Solved windows 7 product key not working why isnt my product key working. my computer was a windows 7 and now i upgraded it to a windows 8.1....im trying to reinstall solved will current version. This is your ultimate knowledge source for windows 7 key. get the free windows 7 product keys here below. windows 7 is part of the windows nt family of operating systems. developed by microsoft, windows 7 is basically the same as windows vista. however, it has entirely different graphics..
I have pirated version of windows 7 in my machine. but now i bought license for windows 7. is it possible i can change my product key with existing installation or i need to reinstall with the original cd? any advise would be appreciated. thanks
