The stack expends if you hover the mouse over it.
You basically drag and drop one tab into another to make a stack. In this new version, there is available the tab-stacking feature. There is the red menu button which is located at the top left of the browser. The basic interface of this version looks the same as the one that is used on Opera’s old version. All this speed comes from using a new JavaScript engine.
It is considered to be one of the fastest browsers in the world. The aspect that is extremely appreciated by this browser by users from all over the world is its speed. The installer is available for Linux, Mac and Windows. The installation of Opera Browser is a process that is fast and extremely short.
