1. The system will boot then become ready to configure
2. The device will display the prompt Press enter to configure
3. Press enter then select Start to begin configuring your network and an administrator account. Follow the instructions on the screen, you will be asked to configure your network and enter your Ubuntu SSO credentials

At the end of the process, you will see your credentials to access your device:

This device is registered to <Ubuntu SSO email address>.
Remote access was enabled via authentication with the SSO user <Ubuntu SSO user name>

Public SSH keys were added to the device for remote access.