How do I forget or remove a saved Wifi network on Windows 10?
To forget a network
Select the Wi-Fi network icon on the right side of the taskbar, then select Network & Internet settings.
Select Wi-Fi , then select Manage known networks.
Select the network you want to forget, then select Forget.
Afterwards, select the Wi-Fi icon on the taskbar and try to reconnect to the desired network to renew the network connection.