This document provides installation instructions for the ATG Commerce Service Center (CSC) module. It outlines the prerequisites needed, including Java, an application server, database, and existing ATG 10.2 installation. It describes the agent-facing and customer-facing clusters of CSC. Steps are provided to download the installer, select a language, accept licenses, choose installation directories, and optionally configure the search provider. The document concludes by mentioning an alternative installation method using the Configuration Installation Manager (CIM).