If you are recording a video on a mac, we'd suggest you actually record your video directly inside of Edthena. That way, the video will upload to your Edthena library automatically. Click here to learn how to record a video directly inside of Edthena!
If your video is going to be longer than 90 minutes, then you should use Quicktime to record your video. Use this current help article as guidance.
From your applications, open QuickTime

Click the "Record" button

When done, click the "Stop" button

