How do I install DEV3 Chatterbay step by step?

Install

1. Upload the chatterbay folder and make storage and bootstrap/cache writable.
2. Open the site. The installer at /install checks the server, writes .env, migrates and loads the demo or an empty install, then creates the operator account.
3. Add the cron entry * * * * * php /path/to/chatterbay/artisan schedule:run.
4. Optional, for instant delivery: set BROADCAST_CONNECTION=reverb, the REVERB_* values from the guide, and run php artisan reverb:start under Supervisor. Without Reverb everything still works by polling.
5. Sign in at /admin as the operator. Owners sign up at /signup.

The full guide is in Documentation/index.html: drivers, mail, Reverb, GeoLite2, the API and webhooks, and troubleshooting.