Microsoft has released Camera Codec Pack version 16.4.1620.0719. The package allows viewing of camera-specific RAW files in Windows Explorer and Window Live Photo Gallery in addition to other programs that use Windows Imaging Codecs. The codec is available for both 32-bit and 64-bit computers running Windows 7 and Vista Service Pack 2.
The codec package supports a variety of cameras from Canon, Nikon, Sony, Olympus, Pentax, Leica, Minolta, Epson, Panasonic, Casio, Kodak and Samsung. New models include the Canon 5D Mark III, Nikon 1 J1 and V1, D3200, D800, D800E, D4. See the Microsoft page for a complete list, further details and download.