To register product

To register product 

  1. Click the Register Licenses button to open Register Certificates dialog box
  2. Enter one or more valid certificates.  Two methods are available:
  3. Click the Register All button.   
  4. If the computer is online, the procedure will complete automatically.   Otherwise follow the offline action procedure 

For automating installation and registration process invoke ICC form command line using /c or /f options.
Your installer should wait for ICC to exit.  Then analyze exit code and log file content to confirm success.