Personally, I prefer the dual boot. If I’m just checking email or web surfing, i like android as it has a better “Tablet” experience in my opinion. If I need to do real work then I need Windows. I upgraded to win10 by going to Microsoft’s website with no issues whatsoever. I haven’t bothered with upgrading Android, haven’t seen the need to at this point so I can’t speak to how easy or hard it is. My only complaint with the Vi10 so far is that I’ve discovered that I don’t care for the screens aspect ratio, I think I prefer the ratio the Hi10 has instead. That is only a personal preference though.