If you want different paths simultaneously in Ch.2, you must have separate save folders for each path, then transfer the save file you want to play to the primary save folder. Saves are bugged in Ch.2 right now, so you can only have one path at a time (sucks, we know, but that's how it is for now). The latest path you play will overwrite all other save files in the primary save folder, so if you play a D only route, then save, start over with a D, E and G route, your save on the D only route will now have the stats from your D, E and G route. Make several save folders and keep the files separated to protect each path.