Softing Microfuck is going back to the bad old days and then some. If you try to install Chrome, Firefox, Opera, or just about any other Web browser on Windows 10 insider, Windows itself will behave like malware, blocking it & tricking you into staying with Microsoft Edge. Given their history, especially using malware to push Windows 10 unwanted to Windows 7 & 8.1 computers in '15-'16, this probably /will/ go out to you next month.
https://www.ghacks.net/2018/09/12/microsoft-intercepting-firefox-chrome-installation-on-windows-10/