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Obtaining the Installer
Install the upgraded FME Engine in its own path rather than overwriting the existing FME Engine. This way, you can reverse the upgrade if required.
To upgrade only the FME Engine component when installing an FME Server environment, use a stand-alone FME Engine installer, not the FME Server installer, and follow these steps.
To obtain the appropriate FME Engine Installer, visit the FME Downloads page.