This short article shows you where to get Forget Network in Windows 10.
The can right click and select Forget network in the Wi-Fi list in Windows 8 or 8.1 like the following.
To forget network profile setting.
1. Click Start -> Setting.
2. Choose Network & Internet.
3. Click Manage Wi-Fi setting.
Click on any Wi-Fi you want to delete the profile then click Forget.