How to forget Wi-Fi networks in Windows 11
To make your Windows 11 computer forget a WiFi Network, do the following:
Remove or forget Wireless Network Profiles in Windows 10
Press Win+I to open the Settings app. Select Network & Internet. Next click on Wi-Fi in the left panel. There you will see a link Manage Wi-Fi Settings. Click on it.
In the window which opens, you will see two settings – Wi-Fi Sense and Manage known networks. Under Manage known networks, select the network, and you will see two options – Share and Forget.
Click on Forget.
This will delete the Wireless Network’s profile and connection details. TIP: You can also manually delete WiFi Network Profiles in Windows 11/10 using the netsh wlan command in the Command Prompt and then by editing the Windows Registry.