Find the license key after disk crash

I just replaced a failed disk.  This PC was originally a Geniune copy Win 7 Home Premium that I have upgraded to Win 7 Professional.  I have the key to upgrade for professionals, but do not have the original liceey Home Premium.

I was able to make bootable DVD of Home Premium and install it, but I can't upgrade to professional without the original key as well.

Can someone advice to proceed in a profitable and legal way?

Microsoft Store should really have a record.  When you connect to the Web site of the store, it is a story of purchase link at the top of the page.

But just to let you know, the home premium product key is not required for 2 of the 3 methods that Paul describes this site.  I did it several times.  Absolutely, you can install from a CD upgrade, on a hard drive blank or empty, without install the first version or know the key.

Tags: Windows

Similar Questions

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    Please answer this question to get more clarity on this issue.

    • The application or program that you use the partition of the drive?

    This problem may occur if the partition table is damaged or altered. As a result, the recovery partition does not work. I'm sorry to know that you are facing this problem.

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  • EliteBook 840 G3: Find the license key of Windows 10 for the new computer laptop

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    [Moved from Community Participation]

    Summary

    If you have multiple Windows licenses and have installed but don't know which one is in use, use the following instructions to double check.

    Details

    Apples of: Windows Vista, Windows 7, Windows 8 and Windows 8.1

    User level: beginner to Expert

    If you have multiple PCs in your home or business running different versions of Windows and would like to have on the same version, you can check that you do not use a product key that is already in use. For example, if you bought 3 copies of Windows 7 Professional, installed one, active, but later wanted to update another PC but can't remember which key was used, this trick can be very handy.

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    Click on command prompt

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    Press enter on your keyboard

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    Also: http://www.magicaljellybean.com/keyfinder.shtml
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    There is an another "Edit", you must click on.

    ---

    VMware vExpert 2009

    http://blog.vadmin.ru

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    I bought 3 cloud license for Photoshop. I see the transaction on my credit card, but where can I find the serialnumbers?

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    If you want to upgrade, I would recommend that you back up your Windows 7 installation as a system. Otherwise, a full version license would be the recommended option.

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  • I had a hard drive crash and had to move all the data again. Now, I get an error saying that my Visa is not an authorized version. How can I find the product key to reactivate?

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  • My hard drive crashed and I had to reload vista. I can not find the product key. What can I do?

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