Apr 26, 2016
OS X 10.10 Yosemite review | TechRadar Apr 26, 2016 OS X Yosemite: OS X Yosemite: Frequently Asked Questions Nothing—OS X Yosemite is a free upgrade. Who can get OS X Yosemite? Anyone with an Apple computer using Snow Leopard, Lion, Mountain Lion, or Mavericks can upgrade to OS X Yosemite. The system requirements for Yosemite are the same as those for Mavericks. OS X Yosemite Available Now as a Free Download
All University Mac users are strongly advised to upgrade from OS X Yosemite operating system to macOS Sierra (v10.12.6), as soon as possible, as Yosemite is no longer supported by Apple. The upgrade will help to ensure that Macs have the latest security, features, and remain compatible with other University systems.
Jun 07, 2014 OS X Yosemite: Everything We Know | MacRumors Oct 16, 2014
Apple Mac OS X Yosemite for Mac - Free download and
OS X Yosemite on Unsupported Macs [Guide] | MacRumors Forums Mar 26, 2015 Mac OS X 10.10.1 Yosemite update is a winner | ZDNet Nov 18, 2014 How to Do a Clean Install of OS X Yosemite Oct 17, 2014 OS X El Capitan vs Yosemite - Macworld UK