TheLisawas Apple’s first computer with a graphical desktop interface, predating the Macintosh by a year.

Now, 40 years later, you’ve got the option to see exactly how the computer worked.

It also had protected memory and support for up to 2 MB RAM.

Photo of the Lisa computer on a desk, Steve Jobs and John Couch are in front

John Couch / Computer History Museum

Source:Computer History Museum