Featuring is a power-up for Trello. To learn more about power-ups, and how they work with Trello, click here! If you're already familiar with power-ups, make sure you have permission to add power-ups to your team's boards, then follow the directions below.
First, navigate to the board you want to add Featuring to and open the menu.
From the menu select "Power-Ups".
Scroll down the list of power-ups until you find Featuring. Look for the star!
Click "Enable", then look for the "Featuring" icon in your board buttons. This means Featuring has been added and you're good to go!