Note how young Bill Atkinson and Andy Hartzfeld look!!
This is part one.
From the video description:
Back in 1983 Apple made a video on VHS tape. The Mac 512 cannot let this early (1983) video fall into the ether any longer. For Macintosh’s 25th Birthday, The Mac 512 is resurrecting this video. Happy 25th Birthday Macintosh! part 1 http://www.mac512.com