You must download the respective agent binaries from the appropriate location. See the following download site http://wwws.sun.com/software/download.
Follow the steps described in this task to unpack an agent .zip file.
Log in to the server where you want to install the agent.
Create a directory in which to unzip the agent distribution file.
Download and unzip the agent distribution file.
In terms of unzipping the file, the following command is one possible method:
where agent_download represents specific information about that specific agent.
The preceding steps unpack the archive and provide you with the agent deliverables for Policy Agent 3.0.