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The Autodesk Maya 2016 Extension 1 + Service Pack 3 includes several important fixes. Refer to the readme document inside the downloaded file for more information.
Available only for use by students and educators
For Windows: This installer requires a previous installation of Maya LT 2016 or Maya LT 2016 Service Pack. Do not remove your previously installed version before installing Extension 1.
Mac OS X: The Maya LT 2016 Extension 1 installer includes Service Pack 2. This installer requires a full product install. Uninstall your existing Maya LT 2016 software before installing Extension 1.