Go to Notifications. Select Microsoft Edge from the list. Remove the tick from Show notification on lock screen checkbox. First, you have to open the System Preferences window on your screen.

Sick of websites asking permission to notify you of some such thing or another? You can disable these requests, either completely or from individual websites.

Disable Facebook notifications in Chrome and Edge By default, the browser alerts you whenever a website, app, or extension wants to send you notifications.

Turn off Windows 10's pushy Edge notifications Tired of Microsoft trying to cajole you into switching browsers? Here's how to make it stop.