Windows 10: Original Product key from Windows 7 Home Premium not working after desktop problem.

My old computer, HP Pavilion P6 series Desktop had pre-loaded Windows 7 Home Premium. Over the years this went to Windows 10 Home. But recently there was a problem as it continully rebooted. I tried to load from backup, but that failed. Eventually I formated the drive and went to factory setting. This resulted in the desktop loading back the Windows 7 Home Premium software! But, now the original product key which is on the Desktop caseing is not recognised!As the Microsoft Office icon has defaulted to Microsoft Office 2010, the error message I get when I enter the 25 character product key is

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Windows 7 Home Premium OEM $90.00

Windows 7 Home Premium OEM $90.00 was $110 bucks!

This is the full version of Windows 7 Home Premium. It's key features include Jump Lists that keep the things you use most right in front of you as well as it's desktop enhancements that allow you to snap windows to both sides to easily view both at the same time.

 

Does anyone have a product key for Windows 7 Home Premium

Is there anyone who can give me a product key for Windows 7 Home Premium. I have a HP laptop that needs to have windows reinstalled but the recovery partition on my laptop does not work. Neither Microsoft or HP are able to help me. Is there anyone who
has a product key for Windows 7 Home Premium.....but not one where Windows came pre-installed as I have this type of product key but the Microsoft website will not let me download windows 7 as the original software came pre-installed.

 

Duplicate product keys

I just did an inventory of my Windows keys because I am selling an old laptop with a DAW (Digital Audio Workstation) and I wanted to include the original Windows CD with it.

I realized that two of my desktop PCs that were upgraded from Win 7 Home Premium (each with its own product key) now have the same Windows 10 Product Key.

Is this a problem?