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Downloading
These modules cannot be downloaded for a free test. They must be paid for and are then delivered as files attached to an e-mail.
The files have the file extension .exa which is a false extension name set just to make it possible to send the file as an attachment to a mail.
Rename the file extension to .exe and then click on it to start the installation.
The installed module will have the file type .bpl and will be recognised and used by the main programme.