Forget a Wifi Connection on Chromebook
Wifi Connection on Windows Laptop
Click the Windows Start Flag then click the settings icon
Click on Network & Internet and select the Wi-Fi option from the left.
Click on Manage Known Networks.
Click the Network(s) that you would like to forget & they disappear.
Click the Wi-Fi icon to search for the network you want to RE-connect to & enter the necessary info to connect.