Installation Overview
The high level architecture of PDS Registry and its main components is shown below.

You can run all components on your laptop or install some or all of them on a server.
Java
If you do not already hava Java Runtime Environment (JRE) or Java Development Kit (JDK), install it as described in Java Installation section.
You will need Java to run Registry Manager, Harvest and Apache Solr.
Apache Solr
Apache Solr running in cloud mode is required to store PDS Registry data. It can be installed as described in Solr Installation section. You can run Solr locally on your laptop or desktop or remotely on a server.
Registry Application Tools
Tools which are used to initialize and populate the registry. The installation is described in this section.