: If you have an active subscription, you can download previous versions directly from your account. Navigate to All Products and Services , locate Maya, and check the version drop-down menu.
The most secure and recommended way to get Maya 2018 is through the Autodesk Account Portal. Autodesk Maya 2018 for Mac Free Download
: For versions older than three years (like 2018), use the "Ask the Assistant" feature in your Autodesk account. Type "Can you help me get a download for Maya 2018" to have the installer populated in your product tile, provided your subscription is active. System Requirements for Mac Autodesk Maya 2018: A Comprehensive Guide | Guide books : If you have an active subscription, you
: Eligible academic users can access Autodesk Education to obtain a free one-year license for educational purposes. Verification through SheerID is typically required to unlock these downloads. : For versions older than three years (like