To run it and, therefore, own an instance that I can use, I need to host it on a computer. For a more streamlined installation, they already package this computer with the Home Assistant app, plug-and-play out of the box.
But to connect Zigbee devices to Green, you must add the ability to receive Zigbee. Usually, it’s a USB stick that does that, and we can virtually use any existing one on the market, and it will work. Home Assistant had one called SkyConnect.