First check whether the phone and the computer share the same Wi-Fi. Tap a card to open that path.
Same LAN: words and audio stay on the home or office network. They do not go through the FlowMic cloud. No account.
If both sides can reach the internet, the cloud relay works. The account is created only on the website; the PC pastes a Cloud Key, and the phone then scans the pairing code on the PC.