@Ivan Morales
Hi,
You must have a Microsoft Account to register your device.
You could refer to the following official article as your reference:
https://support.microsoft.com/en-us/help/18878/microsoft-xbox-device-registration-process
For xbox related issue, it is recommended to refer to the following link for more help:
https://support.xbox.com/en-US/help/hardware-network/warranty-service/register-your-product
Hope above information can help you.
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