Integration with Other Applications > Introduction to Windchill ESI > Using Windchill Integration for MES > Installing Windchill Integration for MES > Prerequisites
  
Prerequisites
Before installing Windchill Integration for MES you must install the following optional modules.
Windchill PDMLink
Windchill MPMLink
Windchill Nonconformance
Windchill ESI
For more information on installing these products see the Windchill Installation and Configuration Guide.
For more information on installing these products see Installation and Upgrade.