Assuming the OP is using a Pentax camera, why not try the Digital Camera Utility software that came with the camera on CD?
A little cryptic, admittedly, but it's "free" and it uses the same terminology as the camera uses, so it's easy to translate between one and the other.
Keep the help file open alongside, you'll need to refer to it frequently in the early stages, but it's all there
Use your on-line translator of choice to read the Japanese-language pages here
???????RAW??????????Digital Camera Utility 5 ?1??????? | PENTAX official for an "expert's" introduction to the program!