How to change wifi pasward

Welcome to the Apple Support Communities.

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

Jack

Wi-Fi Network passwords can be set and changed at the Wi-Fi Router level. You will have to log in the Wi-Fi Router and then change the Wi-Fi Network password. The process differs from Router to Router and should be listed in the Router’s manual. If you do not have the manual, then contact the Router manufacturer’s support site or contact the entity that provided the Router.

Axel F.