Windows indicates your product key isn't activated following the installation of a new motherboard and CPU.
Windows indicates your product key isn't activated following the installation of a new motherboard and CPU.
It seems like an OEM key. If it doesn’t activate, it’s a loss. You’ll need to pay for it.
During an upgrade, your Windows 10 license depends on the previous version's license. The information in the reply explains the differences between licenses: http://answers.microsoft.com/en-us/windo...6ee?auth=1
Verify your license type—OEM or Retail. This information appears in System Properties: The Product ID shows "OEM" for an original key, otherwise it's a retail license. OEM licenses are linked to the motherboard at activation and cannot be moved; you'll need a new license for a different board.