You can install ColdFusion Builder silently, without any user interaction. The following TechNote provides details of how to install ColdFusion Builder silently:
Product activation as part of silent installation is not supported for ColdFusion Builder. Activation has to be done after installation, by specifying the serial key, when you launch ColdFusion Builder for the first time.
Note: The TechNote had the information on product activation missing. But now it is updated.