Hello @Payload Studios !
Hope you are having a great day!
Thank you for asking a Question! We are Glad to Assist you!.
Please visit the link below and fill your details to order your Xbox Dev Kit.
https://www.xbox.com/en-IN/developers/id/apply
More information about getting the Custom Hardware can be found below
https://learn.microsoft.com/en-us/gaming/xbox-live/test-release/live-testing-on-console
Regards,
Tasadduq Burney
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