This is a 'CD image', which you can either run on virtual CD software or burn onto a disk using something like ImgBurn.
Once on a disk you just run it like any other installation CD.
A sophistical rhetorician, inebriated with the exuberance of his own verbosity, and gifted with an egotistical imagination that can at all times command an interminable and inconsistent series of arguments to malign an opponent and to glorify himself.
An alternative approach to installing from the .iso image is to extract the contents to a folder and run the installer from there. (Programs such as 7-zip can do this, just try to open the .iso file in 7-zip in exactly the same way as a ordinary .zip file.)
My blog: http://spillerrec.dk/category/lego/ RICcreator, an alternative to nxtRICeditV2: http://riccreator.sourceforge.net/
My Githubz of Source Codez, in order of awesomeness: https://github.com/ArtskydJ/NXC_Source https://github.com/ArtskydJ/NXC_Tests My Lego Creations, in no particular order: LEGO Bop-It - http://www.youtube.com/watch?v=6TsqrBVKbj0 LEGO Safe - http://www.youtube.com/watch?v=MyDRfVquHuY