The operating system versions listed in the above table are the only ones officially supported.
Warning: Support for New Desktop Operating Systems
Desktop operating systems, in particular new versions of those operating systems, not in the above table are not supported. Do not upgrade to new operating systems on computers used to administer online assessments.
Warning: Support for Updated Mobile Operating Systems
Turn off or delay automatic updates of operating systems for mobile devices. CAI reviews these updates to verify they do not pose a risk to student testing, and will post announcements on this portal accordingly.