already linked here:
find the file that matches the file size of what you downloaded. it will probably be in one of the SCN folders and then either the isv or ssv folder. I haven’t figured out the pattern to where they save yet. this is the path of a recent one of mine.
No, absolutely not. The graininess will depends on how much light you have in the room, but even at it's worst it's a big upgrade from the Q2 because not only is it in colour but it's also in 3D. The Q2 passthrough has no depth.