Windows 10: Using Windows 8 Pro key to Upgrade to Windows 10 Pro from Home

Hello,


I have 2 laptops, one old(1st) and other new(2nd).

The 1st laptop had Windows 7 Home pre-installed which was later upgraded to Windows 8 Pro through Windows 8 Upgrade Offer. This again was upgraded to Windows 10 Home for free.
The 2nd PC came with Windows 10 Home pre-installed.


I recently read that a Windows 10 Home can be upgraded to Pro with Windows 8 Pro key, so I tried using the Windows 8 upgrade offer key in Activation settings of the 2nd PC. It accepted the key and gave me the option to start the upgrade process. It did not ask me to pay any additional fee.







Please the me the consequences of going through with process. Will it successfully change the 2nd PC to Win 10 Pro, or will it ask for money later? If I need to pay, I don't want to upgrade.

And the Windows 8 Pro key I used was of the 1st PC which was used as basis for the Free upgrade offer to Win 10 Home on 1st PC. What will happen to the 1st PC's license. Will it be invalidated as I'm using it to upgrade Win 10 Home in 2nd PC?

:)

 

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