When you hover over an app’s taskbar button in Windows 10, you’ll see a small thumbnail of each app’s windows. With Firefox, you’ll only see the active tab in each window by default. But with a small change, you can see thumbnail previews of every open tab in every Firefox window. Here’s how.
Read This Article on How-To Geek ›
Source : How to See Firefox Tab Previews in Windows 10’s Taskbar
