Windchill Fundamentals > PDM Essentials and Global Product Development Package 1 > Windchill PDM Essentials > Moving Forward: Ongoing Windchill Administration > System Administrative Tasks > Updating, Upgrading, and Moving Up
  
Updating, Upgrading, and Moving Up
Windchill PDM Essentials can be upgraded in the following ways:
Installing Critical Patch Sets
Upgrading to a New Release of Windchill PDM Essentials
Moving Up to Windchill PDMLink
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For more information, see Types of Windchill Releases.