Well it's official. I updated Defender last night after 8.? mb download update a window popped open. In that window it stated that I have a free upgrade option with my Windows 8.1 pro to Windows 10 pro. That sounds real good, but I have reservations and questions concerning this update/upgrade. 1. What happens if my computer crashes? Do I receive the #'s to reinstall or do I have to call MS home? 2. What support will I get from MS home if this happens to me? I already know that here is where I'll get the best support. 3.How long will said support from MS home be free? Too many questions to type. All I do know is the update can happen at anytime or I can download the full release of Windows 10 pro on July 29,2015. So I'll take that as the day the DVD's hit the shelves. My question to you MDLer's. How many questions do you have when that type of windows pops open? Personally I have to many to ask.