Just got a new (refurbished) laptop that was supposed to ship with 12.04. I got most of my wife's data and programs installed before I realized it has 13.10, and not 12.04. She is concerned with dependablilty and not into the latest innovations. Do I have to worrry about the stability of 13.10 for her use (basic office use), or should I just leave it alone? If 12.04 would be a better bet, can I install it over 13.10 and not loose her data and settings?