c.) by default Windows - including Win8 family- does not index removable storage, so you have this limitation when downloading. but you can fairly easily set it up to be used in this way.
first set up the sd card with the same folders as on board storage (documents , music, pictures , videos) and then go to disk management .. wait
here is a link so i dont have to type it all
http://winsupersite.com/article/wind...ro-apps-144658