It comes with a bunch of apps and games preinstalled, giving you hours of entertainment. Or you can pretend you’re the king of the office with the powerful and colorful Macintosh II. You can run up to 1996’s System 7.5.5 on the tiny black-and-white Macintosh SE. Some helpful text will guide you through the various operating systems’ major features if you’re not familiar with them.Ĭlick Customize to pick which Mac you want to emulate. There, you can browse through all the major revisions of the Macintosh System Software (and, later, Mac OS). To try it yourself, go to, a project run by software engineer Mihai Parparita.