General Information
Apple's OS X Yosemite is
version 10.10 of the Mac operating system released on October
2014. With a modified look and many new features including
Continuity (mobile device integration) and iCloud Drive (cloud
integration), it is available to all Mac users free of
charge.
Download & Installation Instructions
Download OS X (Yosemite) from Apple.
(*Within Mac App Store)
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OS X (Yosemite): Upgrade Checklist
Training & Support
OS X (Yosemite): What's New
OS
X (Yosemite): Support
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