In order to use Exer Studio, you will need to give access to your camera. Here's a guide on how to enable camera permissions if you're stuck.
1. Choose Apple Menu on the top left corner of your mac
2. Select "System Preferences"
3. Click on "Security & Privacy"
4. Click "Privacy" and select "Camera"
5. Select the checkbox next to "Exer Studio" to allow it access to your camera
6. Once selected, your camera permissions are enabled and you're ready to use Exer Studio! 🎉