The Vintage Apple Macintosh OS Anthology 2000 Edition is a sealed CD featuring the Apple Mac OS 9.2.1 with Sherlock operating system. This unique anthology includes various versions of Apple Mac operating systems from the year 2000, making it a valuable collectible for vintage computer enthusiasts. The English language software offers a glimpse into the past with its classic design and features, perfect for those looking to explore the history of Apple's operating systems. Discs 1-6 included.