The new Chromium based Microsoft Edge is supported on all versions of Windows 7, Windows 8.1, Windows 10, Windows Server (2016 and above), Windows Server (2008 R2 to 2012 R2), and macOS. This new Microsoft Edge runs on the same Chromium web engine as the Google Chrome browser, offering you best in class web compatibility and performance. Microsoft has adopted the Chromium open source project in the development of Microsoft Edge on the desktop to create better web compatibility. How to Reopen Closed Tab in Microsoft Edge Chromium