The Microsoft Camera Codec Pack enables viewing RAW image files taken by more than 150 cameras from Canon, Nikon, Sony, Olympus, Pentax, Leica, Minolta, Epson and Panasonic. The codec pack enables viewing of the files in any image viewer that is based in Windows Imaging Codecs (WIC) such as Windows Explorer, Photo Viewer and Windows Live Photo Gallery.
The Microsoft Camera Codec Pack is compatible with Windows 7 and Windows Vista. Simply download and install the software from the Microsoft Download Center. No reboot is required.