Here you can download the appropriate software or app for your TFA product.
Software
PC Software Primus and Opus
Primus (Kat.Nr. 35.1099.IT, from May 2010 and newer)
Opus (Kat.Nr. 35.1112.IT)
(Windows only)
PC Software Primus
Primus (Kat.Nr. 35.1099.IT, production date November 2009)
(Windows only)
PC Software Nexus, Sinus and Meteotime Duo
Nexus (Kat.Nr. 35.1075)
Sinus (Kat.Nr. 35.1095)
Meteotime Duo (Kat.Nr. 35.1100)
(Windows only)