Can't activate Windows 7 after re - install, have the product key for Vista but not W7

Hello

My father-in-law asked me to help him with his laptop because he had a lot of problems with it. After a lot of work trying to solve the problems, we have decided to re - install Windows because it seemed to be the easiest solution. Unfortunately, it doesn't have the installation disc. After some research, I discovered that it is possible to download an ISO of Windows 7 on Digital River and put it on a USB key to create a pseudo reinstall drive. I looked under the laptop and saw that the product key was still visible on the sticker, so I moved and re-installed Windows 7 using a USB key that had the right file ISO on it.

However, it is only after you have reinstalled Windows 7 that I realized that the laptop came with Windows Vista and which is what provided the product key. It seems that the laptop has been upgraded to Windows 7 after, but my father-in-law doesn't remember anything about it since it is not too good with computer and the laptop belonged to his son.

Now, we have a new installation of Windows 7, but I can't understand how to activate it. I would really appreciate the help as I already put a lot of time on this and cannot find a solution.

Thank you.

Managed to find a working link to a file image of vista and installed on the laptop. Everything seems fine now.

Thanks for the help.

Tags: Windows

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