You can download the full product from the links provided below. As mentioned in the product description only the trial version can be installed without the dongle update. Once you purchase the set you will only need to install the full organ definition file.
Downloads: disk1, disk2, disk3, licencedODF.

You can download the full product from the four links provided below. As mentioned above only the trial version can be installed without the dongle update. Once you purchase the set you will only need to install the full organ definition file. The special features of the trial version are explained above. Please note that discs 1, 3 and 4 are at version 1.4, while disc 2 is at version 1.3 (since there was no change in this package for version 1.4).
Downloads:  disc1; disc2; disc3; disc4

Ernst Röver organ of Ditfurt (Germany).
The trial version will periodically mute the sound for a few seconds, but is otherwise fully featured.

Führer Organ in Braunschweig-Riddagshausen
Two trial versions are available for this sample set:
1) Miniset with seven stops.
The miniset may be used without any limitations and is therefore a completely free organ. The disposition of the miniset is listed in the product description.
Download Miniset
2) Full set, but with periodically muting the sound.
This version consists of four discs. When you have already installed the miniset, you will only need discs 2-4.
Download Disc-1, Disc-2, Disc-3, Disc-4

Baumhoer organ of Bielefeld Stieghorst.
The trial version will periodically mute the sound for a few seconds, but is otherwise fully featured.

Cavaillé-Coll organ of Madeleine church, Paris, France.
This trial version will stop working after about 75 seconds, after which the set needs to be loaded again to continue evaluation.

Silbermann organ of village church in Grosshartmannsdorf, Germany.
The trial version will periodically mute the sound for a few seconds, but is otherwise fully featured.

Schyven organ of Notre Dame de Laeken, Brussels, Belgium, trial file 1.
Schyven organ of Notre Dame de Laeken, Brussels, Belgium, trial file 2.
You will need to download and install both files. The trial version will periodically mute the sound for a few seconds, but is otherwise fully featured.

Schyven organ of Notre Dame de Laeken, Brussels, Belgium, Small Edition.
The trial version will periodically mute the sound for a few seconds, but is otherwise fully featured.

Virtual Steam Calliope, version for Hauptwerk
Virtual Steam Calliope, Soundfont version
The Calliope trial versions contain only two samples/octave, while the full versions feature individually sampled notes.