For Processors with GRIDSMART 6.0 and later:
Place the XML license file (you may have to change and verify the file extension) at the root level of a clean USB stick and then insert that stick into a Processor USB port. Licensing will be handled automatically.
For Processors with versions before 6.0
Launch the GRIDSMART Client and click the Site Card for the site of interest.
Enter the Site Configuration Screen by clicking the pencil icon in the Site Menu.
Click the Site Settings icon in the Site Configure Screen then click Modules.
Follow the directions there to add a license file that will enable the new Module(s).
Publish your changes.