Appalachian State University's IT currently follows the model of supporting the latest released version of macOS (following an internal testing period) and one version previous. The currently supported operating system versions are:
- macOS 11 (Big Sur)
- macOS 10.15 (Catalina)
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If your device is eligible for an upgrade, you may have received a macOS Upgrade Notification. You can view the macOS Upgrade Notifications article for more information about the notifications or continue with the steps below to upgrade macOS:
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