Here’s how to connect an Apple TV to a Wi-Fi network with a new password without forgetting the network: Select Network.

Apple stashes passwords entered to connect to Wi-Fi networks in the safest place possible: the system-wide login keychain.

If you want to update your Network Drive Login Credentials including Username and Password in Windows 11/10, follow the instructions mentioned here.

Sharing your Wi-Fi network's password is now easier in iOS 16. So, too, is deleting all of the Wi-Fi networks your iPhone no longer connects to.