You don't need to keep Edge as the default when you preferred another browser. In this guide, we'll show you the steps to set a new default browser.
On Windows 10, after a new clean installation or new device setup, the system configures Microsoft Edge as the default web browser experience. In other words, this means that out-of-the-box, when you click a link, or an application makes a web request, the page will open with Edge regardless of any other app you may have installed.
Full story from the WindowsCentral blog...