Advanced settings can wait
The default values are fine for your first tests: adjust later, one setting at a time.
Getting started
When first opened, a wizard asks you a few questions. Here they are, so you can prepare your answers. Every step can be skipped and changed later in the settings. The interface is in French for now: menu names are given as they appear, with their meaning.
Home Assistant OS: TED entry in the sidebar. Synology or Docker: http://MACHINE-ADDRESS:5002 (or the port you chose).
First name and email: the license is obtained and activated automatically. Without a license, regulation stays on standby and controls nothing.
Home Assistant OS: automatic, nothing to enter. Synology or Docker: two pieces of information.
http://192.168.1.50:8123.Click Tester la connexion (test connection): a message confirms that Home Assistant answers.
Pick the meter's power entity from the suggested list (or a Shelly by its IP address), then Tester la lecture (test reading). Tip: switch on a kettle, the value must go up.
Supplier and contract, Autonome or Assisté mode (when in doubt, keep both), contract power and battery levels.
Onduleurs (inverters) tab › add: pick the device entities (for Zendure, Autoremplissage finds them). Type piloté (controlled: it receives setpoints) or surveillé (monitored: read only). Regulation then starts.
Getting it right
The default values are fine for your first tests: adjust later, one setting at a time.
Check that it follows the setpoints, then add the others.
You are responsible for your electrical installation: keep cautious maximum powers.
The live demo shows the real interface, on an installation in service.