Mac OS 9

Mac OS 9 is an operating system that was designed and developed by Apple in 1999 alongside Apple’s personal computers. The system has been released on October 23, 1999, and was available for $99 or was preinstalled on currently sold computers.

Mac OS 9 was featuring more than 50 new features and 9 internet power tools. This release was focused mainly on Sherlock improvements but included a series of bug fixes and new features such as protected memory, pre-emptive multitasking, multiple users support, a new Energy Saver Control Panel, hibernate function, and many more.

On January 9, 2001, this Mac OS has been replaced by a newer version of Mac OS 9.1.

Today Mac OS 9 is 23 years old!

Mac OS 9.0.4
Source: wikimedia.org – Mac OS 9.0.4

Mac OS 9 General Information

ReleasedOctober 23, 1999
Original Price$99
System RequirementsPowerPC processor
32 MB RAM
250 MB of hard disk space
DistributionCD-ROM
Order NumberM7401LL/A
M7401LL/B

Versions

VersionRelease Date
Mac OS 9.0October 23, 1999
Mac OS 9.0.1Unreleased
Mac OS 9.0.2February 16, 2000
Mac OS 9.0.3March 24, 2000
Mac OS 9.0.4April 4, 2000

Report an incorrect record in this product