Microsoft is rolling out two new mandatory Windows 10 updates that force installs the new Microsoft Edge browser. Microsoft Edge 84.0.522.68 will be installed after the first time you start the browser. You can still remove the new browser using the command line with the following commands: C:Program Files (x86)MicrosoftEdgeApplication[latest_version][Latest_version)Installer setup.exe –uninstall –system-level –verbose-logging.
Source: https://www.bleepingcomputer.com/news/microsoft/new-windows-10-updates-are-force-installing-microsoft-edge/