Reply to Software install issues

I can not get Traktor LE installed. I do not have a visible exe (setup) file when the drive is opened. It only shows 4 folders without an exe (setup) file anywhere in any of the folders. I have read that the file should either autorun or be in the intial folder of the disc. I do not get either of these.

Is this due to my operating system?

I'm using Windows Vista 64 bit. 2.xx processor 6gb of RAM.

The Traktor LE disc cover states it is compatible with my operating system.

Without LE installed first the Pro edition is $300. I'm trying to avoid that cost and pay only the $119 upgrade fee.