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ArchiCAD:
download from here -> https://myarchicad.com/
and with following the instructions apply for a 1 year student licence (sending a copy of your student card)
Autodesk:
download from Register at http://students.autodesk.com/
and you can download an educational version
Autodesk Ecotect Analysis:
Register at http://students.autodesk.com/
With registering one can use the software for 14months and you can download an educational version
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Overview of the software NTNU has got licence for: http://www.ntnu.edu/adm/it/helpdesk/software
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