Windows 10: Windows 10 unable to activate after replace motherboard, processor and ram

Hi Microsoft,My old processor malfunctioned few days back and got replacement consider upgraded due to part availability. But I cant activate the Windows 10.My Windows 10 was free upgrade from, Windows 7 many years ago. I have my Windows 7 key.

:)

 

Replaced the motherboard, unable to activate Windows

I had to replace the motherboard and the processor on my PC. It was
Windows 10 Home 64 bit with a legitimate box license.

This license is transferable but I cannot activate my machine.

 

Lost activation status after replacing motherboard and processor in Windows 10

I had upgraded my pc from win7 to windows 10, and sure it was activated oem version....but now I have had a change in hardware configuration... I had to replace my motherboard and processor....but now after login it says that my version of windows is not
activated,..

plz solve this issue

 

Windows 10 Activation after hardware change

• "You upgraded to Windows 10 using the free upgrade offer, but Windows 10 isn't activated after a reinstall. Your copy of Windows 10 should automatically be activated so long as you didn't make any significant hardware changes to your device (such as replacing
  the hard drive or motherboard)."

I just recently upgraded my motherboard, graphics card, and processor. Now my Windows 10 isnt activated anymore, and when i go through the steps to troubleshoot, it says the windows activation just says.



Unable to activate Windows

We can’t reactivate Windows on this device. Try again later.

anyone have an answer to this please...