What truck do you have?
And from what I have seen(im just a new guy here too) you need to plug in the gryphon into your truck to get the hex code, but you only need it if you are going to have Bill do a custom tune for your truck. You can use the gryphon without custom tunes(im doing that now til i can get some more $$) without any damage to the truck versus using stock tunes.
For the version you downloaded i dont know why that wouldnt be the best version to use, so I assume you are fine with using that. I would for sure call PHP for any other questions, they are really great at answering phones now
