1) You don't edit a RAW file. Read up about the RAW workflow.
2) Adobe is a company, not a software.
There is the subforum for post processing questions: Digital Darkroom. Help yourself with some reading there.
Please type into your browser: www.canon.com - select region etc, go to downloads...
If you use Windows PC: Once you have downloaded the latest version please do a search for "DPP installation without CD" - you will need to do a simple tweak in Windows Registry to convince the program that you have the CD.