Learn how to add your overlay and, if you want, make a totally custom one in the process. Today, we’ll be combining both thanks to Kapwing’s free editing platform. Sometimes you need a designer to make them and an internet blog to teach you how to install them. That’s why you need to add an overlay to truly take your video to the next level. However, OBS’s suite of broadcasting tools aren’t enough to cut through the noise. Open Broadcast Software, or OBS, turns the average Joe into a video streaming powerhouse.