Microsoft is pushing out its new Edge browser to Windows 7 and 8.1 - Neowin

This week, Microsoft started pushing an update to Windows 8.1 and unsupported Windows 7 PCs that installs its new Chromium-based Edge browser. The browser does not replace Internet Explorer.

Windows 10

Microsoft Edge, Microsoft Wiki

Microsoft Weekly: Free USB drives, Bing AI in Edge, and pirated Windows - Neowin

You can upgrade to the Windows 10 May 2019 Update right now (but you shouldn't) - gHacks Tech News

Windows 8: Most Up-to-Date Encyclopedia, News & Reviews

Introducing Microsoft Edge preview builds for Windows 7, Windows 8, and Windows 8.1 - Microsoft Edge Blog

Microsoft Edge Chromium Released for Windows 7, 8, and 8.1

Windows 10

Internet Explorer 11 will be available for Windows 8!! - Web Browsers - MSFN