If you have an existing license, you can find your details by logging into your account on the Revvity Flexera platform under the "List Entitlements" or "My Downloads" section.
This article clarifies how modern ChemDraw licensing works, why legacy versions conflict with modern releases, and how you can obtain a legitimate activation code for free or at a steep discount through authorized institutional channels. Decoupling the "12.0" and "2021" Version Confusion
If budget is a real constraint, try these instead of hunting for a serial number:
If users encounter issues with their ChemDraw Pro 12.0 serial number, they can try: