[Joey21]

I have moved house and my wifi has change but I can’t find where to change wifi settings anywhere.

I have a aeon nox system but there doesn’t seem to be a tab to configure wifi.

Can anyone help please

[Klojum]

I have a aeon nox system

Aeon Nox is not a system, it is a skin for the Kodi application.
Which operating system is running on your RPi device: LibreELEC, Raspbian, OSMC, something else?