Progressbar 2 Revived: 15th Aniversary Edition

Progressbar 2 is the 3rd version of ProgressbarOS in the Progressbar lineup. It is based on Windows 2.0, released in 1987. It uses floppy disk noises rather than HDD noises.

This system can be installed by playing the game 7 days in a row after unlocking Progressbar 3.14. You can also unlock Progressbar 3.14, 1 and PB-DOS Shell this way.