up! why is that, after I successfully update-installed windows 10 via USB from my Asus Q302LA Win8.1, and then trying to access factory image recovery of my win8.1 seems to be broken? I need to restored using Asus Backtracker again?please help!thanks...

hello people, I just got my new Asus Q302LA-BBI5T14 2in1 Laptop from Amazon.I would like to ask assistant, is there any way to create/split partition from the Windows 8.1 in recovery mode or I can safely done under windows disk manager?if possible, I...