Search and open Screen Saver Settings. Choose Photos from the Screen Saver drop-down. Press the Settings button. Select the source picture folder. Set up slideshow speed and shuffle picture options.

Chen’s latest tale recounts how 3D Pipes, the classic screensaver came to be: Microsoft wanted to show off OpenGL within Windows NT 3.5, but wanted a way to do it that wasn’t an ad.

The 3D maze offered by Windows 95 was the best and the weirdest screensaver of its day, but it wasn’t the only avant-garde option to choose from: there were endlessly proliferating neon pipes, a ...