To find your Youtube Live stream key and URL, log in to YouTube.com - and click on your avatar on the top right, then click the "YouTube Studio" tab. If you haven't gone live before, you’ll get a prompt to verify your account first.
Click the Go live button on the top right and switch to the Stream tab on the left navigation menu. Click the Copy button to copy your stream key and stream URL.
To go live in Detail, click the “Stream” icon in the toolbar, add your Youtube Live Stream Key and URL and hit "Stream".
You can switch between your Scenes in Detail in real-time as well as record all of your Scenes locally while you stream.
Your streaming status and the amount of time you've been streaming for will appear the top corner of the frame.