CS3 can not be activated any more as it is end of life product, you can contact Adobe Support at Adobe - Contact Support – Download and Installation to know how to proceed for it & know about the options if there are any.
Regards
Rajshree
CS3 can not be activated any more as it is end of life product, you can contact Adobe Support at Adobe - Contact Support – Download and Installation to know how to proceed for it & know about the options if there are any.
Regards
Rajshree