If your specific license type still requires a serial number (such as older perpetual licenses or certain educational versions), you can find it through these official channels: Autodesk Account: Sign in to the Autodesk Management Page , locate your product under All Products and Services , and click View Details
For digital purchases or student versions, the serial number is typically sent in a "Fulfillment Notification" email from Within the Software:
For most 2023 products, you simply need to launch the software and select "Sign in with your Autodesk ID"