Microsoft Edge is a web browser developed by Microsoft and included in Windows 10, Windows 10 Mobile, Xbox One, and Windows Holographic. Microsoft Edge Web Browser replaced Internet Explorer as the default web browser on all devices. Microsoft Edge Browser does not support ActiveX or Browser Helper Objects of Internet Explorer. Extension support was developed and added in preview builds in March 2016, and released with the Windows 10 on August, 2016. Microsoft Edge Browser extensions are available from Windows Store.
EdgeHTML is a proprietary layout engine developed for Microsoft Edge Web Browser. It is a fork of Trident that has removed all legacy code of older versions of Internet Explorer and rewritten the majority of its source code to support web standards. EdgeHTML is meant to be fully compatible with the WebKit layout engine used by Safari Web Browser, Google Chrome and other browsers.
When you browse in Microsoft Edge with InPrivate mode, no cookies, history, or downloads will be saved. Microsoft Edge helps protect you from phishing schemes and malicious software while you’re online, so you can browse confidently. And when combined with Windows Defender, the antivirus protection that’s built-in to Windows 10, you can trust that your PC is safer. Microsoft Edge will automatically block pop-ups. To make sure, select More (…) > Settings > View advanced settings and see that Block pop-ups is On. Microsoft Edge browser reminds you about downloads which are in progress when you are closing the browser. It also allows you to set the default location to save downloads.
More information available on Microsoft Web Browser Page