1 Install the firmware

Plug a kit in with a USB-C data cable, click Install, pick USB Single Serial. If it asks to erase the device, choose No for a kit that's been set up before.

Install firmware Use Chrome or Edge on a computer. Open this page over https.

2 Register the kit

When the install has finished (leave the kit plugged in), click Register and pick the same port. The cloud then accepts this kit. Its secret key never leaves this computer: only a fingerprint of it is sent.

Register kit

This session

Kit	Firmware	Result	Time

Then: unplug the kit, plug in the next one, and repeat 1 and 2.