Newest replies first in bbPress

설치

How do I use this widget?

If you go to Widgets in the Appearance menu, you will be able to drag-and-drop the
‘Navigation menu as dropdown’ widget to a place of your choosing.

Please give a title (or not) and select the menu to convert to a dropdown.

Installing the plugin

Installation is very easy. You can just download this plugin through the
Plugin Finder in your WordPress Administration Panel. Install and activate
the plugin to make bbPress sort the newest replies first.