From the Nikon UK website:
Support & Downloads Article 62143
Latest version of Nikon Transfer 2
Nikon Transfer Ver. 2 is integrated into ViewNX 2 software. If you have the latest version of ViewNX 2 software then you already have the latest version of Nikon Transfer Ver. 2.
Download the latest version of ViewNX 2.
Nikon Transfer Ver. 2 supports all Nikon digital-SLR cameras beginning with the D1 (released in 1999), all Nikon 1 cameras and COOLPIX cameras released since 1997.
Nikon Transfer Ver. 2 will open automatically when an imaging device is connected to your PC. You can also start the software manually by opening ViewNX 2 and selecting Launch Transfer from the File menu. Once Nikon Transfer Ver. 2 is launched use the menu to manage image transfer settings.
Users of Nikon Transfer Ver. 1.x
If you are using a version of Nikon Transfer Ver. 1 we recommend you download ViewNX 2 software to take advantage of the latest features and fixes in Nikon Transfer Ver. 2. After installing ViewNX 2, uninstall Nikon Transfer Ver. 1 to avoid compatibility issues.
If you are using a version of Nikon Transfer Ver. 1 that does not support RAW images captured with your camera, it is important that you uninstall the software to avoid problems