windows 10 iso register error

[Joel18]

Hi

i have a HP  250 G4 notebook whicjh i down graded to windows 7 with a coplete format, now i have installed windows 10 from microsoft down load page, but i cant seem to register the windows. i have the key from the bios using various tools.  what ever ui do i cant seem to register this windows. i know i know i should have used windows recovery cd from hp but i couldnt wait for the delivery.

Please Help

[Huffer]

Which version of Windows 10 did you install? Did it ever have Windows 10 running on it and connected to the internet? 

[Joel18]

it came with home and i dont think so

[Huffer]

Windows 10 can be activated from the original HP restore disk by a test routine unique to that disk or, the first time it connects to the internet the Microsft Windows 10 activation servers create and store a unique profile of your computer that will allow re-activation in perpetuity. But if the computer never was on the internet with Windows 10 installed there is no record at Microsoft, so the Media Creation Tool image will not activate. That means if you want Windows 10 you have to either pay for it now or get an HP Windows 10 recovery disk for your computer.  

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[Joel18]

hi

thanks for the response to my limited knowldge it was registered and then the hard drive was wiped clean ond windows 7 iinstalled. then it was wiped clean and windows 10 which was downloaded from microsft was in stalled .

we ran the

(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey command from the power shell and we got a ley but it wont work.