Forgot Wi-Fi Password

See -> Recommended settings for Wi-Fi routers and access points

Recommended settings for Wi-Fi routers and access points - Apple Support

The Wi-Fi network name, or SSID (service set identifier), is the name your network.

Every Wi-Fi network name has a Password.

So sign in in the router and check.

See also -> If you need help with your Wi‑Fi password

If you need help with your Wi‑Fi password - Apple Support

Please get the password from the agency that installed the wifi router.