Mac System Software 1.0 Finder 0.85

The version of Mac System Software that was included on the Guided Tour disk released alongside the Macintosh 128K on January 24, 1984, had an earlier version of Mac System Software 1.0. This version had the mountain scene that was removed in the proper Mac System Software 1.0 which had a Finder version of 0.97. The System Icons have a Mac with a long disk slot, most likely a Twiggy drive.