Windchill Fundamentals > PDM Essentials and Global Product Development Package 1 > Windchill PDM Essentials > Installation and Configuration > Installation > Installing Windchill PDM Essentials
Installing Windchill PDM Essentials
Preparing for the Installation
Before beginning the installation, make sure your environment is set up correctly. For more information, see Prerequisites.
You must have a minimum of 8GB of available RAM on a physical or virtual machine in order for the installation environment to be verified by the Windchill Installation Assistant. Ensure that there is at least 8GB of available RAM.
If the server is intended only as a demonstration or test server, you can disable this check in the WindchillSetup.exe.config file before installation. After obtaining and opening the media (see the section “Obtaining the Windchill PDM Essentials Media” in Running the Installation Assistant), this file is located in the media directory. Set the following parameter value:

<add key="preCheckRAM" value="false"/>