Is LabQuest Viewer software compatible with Mac OS X 10.9 (Mavericks) or 10.10 (Yosemite)?February 24, 20150 – LabQuest Viewer version 2.0 is compatible with OS X 10.9 Mavericks and OS X 10.10 Yosemite. – LabQuest Viewer version 1.0 is not supported....... Continue Reading →