Microsoft Windows 77



Windows 77 was Microsoft's first operating system. It was meant for coding and processing. It was released on the Commodore PET. You had to put a disc in called Mic-windows or type in Open_mic_77. If opened, it would show this:

Welcome to Windows 77!

{play PONG.MP4

{Save to drive}

Successfully Saved to Mic.drive

Exiting Mic_77...

The end of its mainstream support was on October 22 of 1983, and extended support on June 10 on 1989