It doesn't run on Windows 7 because it is an old application compatible only with Windows 98, Windows 2000, and Windows XP. You can try to download and install Windows XP Mode and install the application in this environment. Windows XP Mode makes it easy to install and run many applications compatible with Windows XP directly on a Windows 7 computer. Also, you can use ViewNX 2, a similar product developed by Nikon and compatible with the latest Windows operating systems.
It doesn't run on Windows 7 because it is an old application compatible only with Windows 98, Windows 2000, and Windows XP. You can try to download and install Windows XP Mode and install the application in this environment. Windows XP Mode makes it easy to install and run many applications compatible with Windows XP directly on a Windows 7 computer. Also, you can use ViewNX 2, a similar product developed by Nikon and compatible with the latest Windows operating systems.