Updating the NTNU templates for LaTeX on Windows
Centrally managed NTNU computer
c:\localtexmf and run
Open MikTeX Settings from the Start-menu.
On the General tab. Click Refresh FNDB, and then click Update Formats.
If you don't have LaTeX installed already
Other computers installed by yourself
In this case, the instructions will vary a lot based on which LaTeX-distribution you use. If you want to install the LaTeX, you can download them from http://www.math.ntnu.no/hg/localtexmf/.
If you have trouble installing the templates, there are a few options to try: