To ensure continued access to the software, be sure to assign users to the new subscription in theĪutodesk Account. Attempting to do so may result in the “invalid serial number” error.
Note: For industry collection users, if switching* an active individual product or suite subscription to an industry collection subscription, there is no need to update the serial number for products that are already installed and activated. If neither option is possible (e.g., subscription has expired), then uninstall and reinstall the product using the product media (or product key) that matches the new subscription. The serial number that matches the product key used during initial activation.The serial number that matches the product media (or product key) used during installation.
The software will activate with your account.Enter your Autodesk Account credentials.In the Let's Get Started window, select Sign In or Sign In with your Autodesk ID.
The license changed from serial number to "Sign In" without serial number.Causes: There are several reasons this message may appear during an activation, including: