Good day Newton, thanks for your question. I am glad to be able to provide assistance to you today. It looks like getting a free account will only be valid if you get a promo code and for this it will also be best to reach out to the appropriate team via the link below as they are more oriented with regards to this type of query.
https://developer.microsoft.com/en-us/windows/s...
https://developer.microsoft.com/en-us/microsoft...
https://learn.microsoft.com/en-us/answers/tags/...
Regards,
Paul R.