I have made a HTM file with JavaScript from which you can generate the registry code for adding "Open with your desired program" option in the context menu of your desired filetype without the knowledge of making REG files. Just download this
HTM file and open it. Then fill in all the fields and press the Submit button to generate the code as shown in the screenshot:-
Then it will generate the code and you will have to copy and paste it into Notepad and save it with the extension .REG. Now merge the file and your done.
