Operating systems are fairly complex pieces of software, and typically, they're the foundation of your computer experience. You don't usually expect to be able to run one operating system like Windows ...

This website runs a bunch of classic operating systems, complete with software and games. If you used a Mac computer in the '80s or '90s, you likely remember what's now called "Classic Mac OS", the ...

October 23, 1999: Apple releases Mac OS 9, the last version of the classic Mac operating system before the company will make the leap to OS X a couple years later. It does not veer far from OS 8 in ...