Microsoft Edge is a new web browser added in Windows 10, and will be available across the Windows 10 device family. It is fast, compatible, and built for the modern Web.
The tab preview feature was introduced in Microsoft Edge starting with Window 10 build 10565 that allows you to hover over your open tabs in Microsoft Edge to see a preview of the webpage for the tab.
Starting with the leaked Windows 10 Creators Update build 14997, a tab preview bar has been added to the top of Microsoft Edge.
This tutorial will show you how to hide or show the tab preview bar in Microsoft Edge for your account in Windows 10.