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Login as a Performer, choose Settings
Choose Tab “Video”
Make sure, that you have screen capture application installed. If not, follow the link under first field.
After successful installation, refresh page. You’ll see a new window.
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Choose, which option suits you better - you may choose one application or entire screen sharing.
Broadcasting should begin!
If you want to return to web-camera, open Settings > Tab “Video” > Screen > Camera and choose “Camera” option