The free QlikView Expressor download does not require licensing. The discussion of licensing that is in the documentation refers to the Standard and Enterprise editions of Expressor, which do require a purchased license.
With the free version of Expressor, you can develop and test your applications. Additionally, you can integrate your Expressor applications with a QlikView application as long as the QlikView data load is executed from QlikView Desktop or QlikView Personal Edition.
To integrate Expressor with QlikView Server or Publisher requires a purchased Expressor license for either Standard or Enterprise editions. Once you receive the purchased license, you use the elicense command to install onto the computer hosting Expressor. QlikView Connector, the Expressor component that integrates Expressor with QlikView, looks for a valid purchased license before it allows a QlikView script running from within Server or Publisher to execute an Expressor dataflow.
To enable QlikView Connector integration with Server/Publisher, copy, if necessary, the license file into the following directories.
Windows 7, Windows Server 2008: C:\ProgramData\expressor
Windows XP: :\Documents and Settings\All Users\Application Data\expressor
