Windows 10: Broken laptop with Win 10 Pro retail. Can I transfer this to a new laptop?

Broken laptop with Win 10 Pro retail. Can I transfer this to a new laptop?

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Transfer Windows 10 Pro Retail key to new laptop

I recently upgraded my old laptop to Windows 10 Pro Retail (not the free upgrade). Shortly after that, I got a new laptop, but it runs Windows 8. Since I already used the key on my old laptop, is it still possible to transfer the Windows 10 Pro Retail
onto the new laptop? I don't plan on keeping the old laptop anymore, but I don't want the Windows 10 key to go to waste.

 

Transfer win 10 pro to other laptop

i have updated win 10 pro (retail) in my older laptop, but due to its low configuration its very slow. Now I have purchased new branded HP laptop. So how to transfer licence from my old laptop to my new laptop.

 

License transfer from OEM/Edu retail to new laptop

My children (students) are in need of a newer laptop. I want to transfer the complete installation (system backup) of their current laptops to their new ones.

I bought one laptop (laptop A) with a 'Win 10 RTM Core OEMM' license (Windows 10 Home).

I want to transfer the system backup of laptop B ('Win 8.1 RTM Core OEMM' license which is upgraded to a 'Win 10 RTM Education Retail') to laptop A.

And I want to transfer the system backup of laptop C ('Win 8 RTM Core OEMM' license which is also upgraded to a 'Win 10 RTM Education Retail') to laptop B.

How can I perform the (re)activation or other license concerns with this transfer of the system backup?

Or if the OEM product keys are tied to the original laptops, how do I change the OEM product key of laptop A after system backup recovery to it's original 'Win 10 RTM Core OEMM' and keep the 'Win 10 RTM Education Retail' upgrade ?