martin brinkmann of ghacks.net wrote about #microsoft idea in recent #windows10 #insiderprogram build 1809 for #edge browser "promotion"; operating system intercepts competitive web browsers installations and "suggest" switching to already installed edge with special screen. it looks like microsoft is really desperate this time.
https://www.ghacks.net/2018/09/12/microsoft-intercepting-firefox-chrome-installation-on-windows-10/