Jan 18, 2015
Yosemite - OS X Hackers OS X Yosemite on Unsupported Macs. macOS Extractor, OS X Patcher, and MacPostFactor are apps that guide you through patching and installing OS X El Capitan (10.11), Yosemite (10.10), Mavericks(10.9), or Mountain Lion (10.8) on your older Mac. Difference Between Mac OS X Yosemite 10.10 and OS X El Jun 27, 2019
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.
OS X Yosemite on Unsupported Macs [Guide] | MacRumors Forums Mar 26, 2015
Dec 14, 2018
Apple OS X Yosemite 10.10.1 Review | PCMag Nov 19, 2014 Download Yosemite DMG | OS X 10.10 Sep 22, 2018 Download Yosemite Installer | OS X 10.10 Sep 22, 2018 Yosemite - For My Friends With Macs