Note: This video was originally made in January 2023.
The year is 1985. Windows 1.01 was just released and the original Apple Macintosh was released only one year before. Here’s a video showing the various OS startup and error screens from the year 1985 for both Mac and Windows.
Song: NIVIRO – Flares [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: http://ncs.io/Flares
Watch: http://youtu.be/V-mP3VU0DCg
Source
Mac OS 1 + Windows 1.01: Startups + Errors