Have you struggled to install nview on Windows 7 64-bit?  Here are the steps:
Step 1 – Download the latest Drivers from the nVidia website

Step 2 – Download WinRAR (you could use 7-zip)

Step 3 – Open the Driver file with WinRAR and extract the nView.CAB file (onto your desktop for now)

Step 4 – Open the nView.cab file with WinRAR and extract all the files into a folder on your desktop

Step 5 – Run the nviewsetup.exe file as normal. 

I found these steps at:
These steps may help you install nview in a number of different situations.
What does nview do?
nVIew display management software provides:
  • Intuitive interface for easy display management
  • Customizable desktop by various usage models
  • Robust IT management tools for easy deployment and maintenance
  • Tested compatibility with industry-leading business applications
  • Proven stability – over millions of enterprise installations