Getting started

Can anyone provide a link or recommend a place with first-time Apple TV Developer resources, including how to get your Apple TV set up for development, please?

If possible, I would like to configure my device for development without wiping it. Also, OTA updates would be awesome.

Has anyone followed these directions? http://www.imore.com/how-to-download-tvos-10-beta

Has anyone followed these directions? http://www.imore.com/how-to-download-tvos-10-beta