You've visited Windows 95's Hall of Tortured Souls, but here's a far more charming easter egg revealed by one of the people who worked on Microsoft's all-conquering operating system nearly thirty years ago.
The procedure to find it is simple but blatantly unlikely—renaming a New Folder three times with what are essentially uncrackably-long passphrases—but it's always fun to know it was there all along waiting to be revealed.
What do you get for your efforts? The end credits for Windows 95, replete with MIDI theme and marquees typeset in Arial and TNR.