CRS-M is dependent on Commerce Reference Store; therefore, the setup and configuration process for CRS-M is very similar to that for Commerce Reference Store. We will identify only the installation and configuration steps that differ from the Commerce Reference Store steps that are detailed in the Commerce Reference Store Installation and Configuration Guide. Follow all steps in that section for your chosen environment and add-on options. There are some additional required in steps the Configuring ATG Products section where CIM is used for setup. These steps are: