If you purchased a digital copy, your serial number is typically sent to the email address used for the purchase.
The official product key for AutoCAD 2023 . While product keys are standard codes used to identify specific software versions, serial numbers for modern Autodesk products like AutoCAD 2023 are unique to your specific license and are no longer provided as generic codes. Autodesk Community, Autodesk Forums, Autodesk Forum Understanding AutoCAD 2023 Licensing
If you want, I can: