Suppopsed what you bought is just a module, then you still need a carrier board to combine it as a developer kit.
You can purchase the carrier board from our ecosystem partners: Robotics & Edge AI | NVIDIA Jetson
Regarding the Jetson Orin Nano Super Developer kit availability, please refer to Jetson Orin Nano Super Availability - Jetson & Embedded Systems / Jetson Orin Nano - NVIDIA Developer Forums