There is usually a program on the CD for viewing.
If you have Windows XP, when you put the CD in your computer, a window usually pops up asking what you want to do. Choose "Open Folder to view files". You should see all of the pictures on the CD (or a folder named JPEG), and be able to view them by clicking on them.
You will probably see another file named "ViewSel.exe" (or something similar), if not, look for a folder named DICOM, open it, and click on "eFilmLt.exe". These are viewing programs for all of the 3D stuff, etc. Clicking on them will install the program on your computer.
You can also copy all of the pictures into a folder on your computer, for easier access.
In Canada, you have the right to have copies of all your medical records under The Freedom of Information Act (or whatever Melodic Name they use this month), including imaging. I was charged $60 by UBC last time for the CD (gouge, and I think, illegal), but prior, had all on films for free since 1993.
My name is not really Johnson. MSed up since 1993