If this is the case, then you will only enter a serial number under the SOLIDWORKS serial number and not each individual product.
If you have all of your licenses set up to be renewed at the same time you may have only one SOLIDWORKS serial number for all of your assets. Run the installation manager, and enter the serial number for your products. To download the installation manager you will need to click the SOLIDWORKS download link. What do I need to know to install my Composer, Plastics, Inspection, MBD, or Simulation package? First, all of these products are now installed through the SOLIDWORKS installation manager.