Unable to activate windows 10

Hi

I have a number of Chuwi coreboxes with office 365 professional installed,
However it is asking me to activate windows 10 but when i try and activate there is no key to do so and it comes up with an error has anyone had this issue before

What kind of error?

Hi Eldijomo
thanks for the assist
i get the error code 0xX004X003
then when i troubleshoot i get the below, but i have genuine copies of windows
image

https://support.microsoft.com/en-us/topic/kb5001692-windows-activation-fails-with-error-0xc004c003-on-devices-which-have-installed-the-windows-10-january-2021-nonsecurity-preview-release-or-a-later-version-e9bdc0df-e8bc-4b77-9130-2958cd44b058