Hello CI,
You need to have the serial key to license the FarPoint Spread. During installing the contorl, you will be prompted to enter your serial key. If you've installed the trial version of spread, you will get a prompt to license the control, as soon as you drag and drop the control on your web form. You may enter your Product Code and Serial key to license the control.
Regards,
Scott S.
Product Manager, Spread ASP.NET
GrapeCity FarPoint