I purchase PS CS5 and says my camera is compatible and it will not open up the CR2 camera raw files from my canon 5D Mark iii camera. I used it in the past, and up graded my hard drive to MAC OSX 10.9, purchased new PS CS5 and Adobe will not update the Camera Raw 6 to 6.7 which using my files...
There you go. Download the one you need, depending on your operating system.
Hope that Helps.
awesome !!!! IT WORKS !!!