Subscription customers may request access to certain previous version licenses of Autodesk software. With previous version rights, you can use both earlier and current version licenses of desktop software (subject to the terms of your Subscription Agreement regarding use of those previous version licenses) to deliver your projects.
Requests for previous version licenses of a particular software program are available only for the version licenses listed on these pages:
Previous Release Use for Subscribers
Maintenance Subscription Previous Use
Desktop Subscription Previous Use
Note: All Subscription benefits may not be available for all products in all languages and/or territories. The Autodesk Subscription Program is subject to the Autodesk Subscription terms and conditions.
Products: Activation & Registration;Network Licensing;Subscription Center