Check box on a final screen

I want to make check box on a final screen . can one give me a file on pbpx format file that can tell me how can i open document on a final screen with check box. and also how can i create internet shortcut. I have tired and I don’t known how can i do this. pls assistance me in this topic.

For instance, here are the options to enable in order to have a checkbox “Open Readme”:

Just replace readme.txt by the filename of the document you want to open.

To create an Internet shortcut, do this: