This might help
https://originaltrilogy.com/topic/Star-Wars-Behind-The-Magic-DVD/id/1021
The video can be found here…
https://m.youtube.com/watch?v=poOgZ8n11sI&t=1660s&pp=2AH8DJACAcoFG1N0YXIgd2FycyBiZWhpbmQgdGhlIG1hZ2ljIA%3D%3D
An ISO can be found here…