Some previously released versions of Autodesk software are available as a benefit when you subscribe to a current version of Autodesk software.
Installation for individuals
Some previously released versions of Autodesk software are available as a benefit when you subscribe to a current version of Autodesk software.
Flex users and customers with an active subscription. See Eligible previous versions for subscribers.
Education customers. Go to the Education community (US Site) .
You don’t have to uninstall the current version to download and install a previous version.
Students and educators: If you have an education licence, go to the Education community (US Site) .
Note that support, including technical support, software updates and hotfixes, is only provided for previous releases up to three years back.