Before Download all of this files on link:
http://pan.baidu.com/s/1gdw6sGN
Baidu is like google in china
if link is not open you must use vpn or zenmate on chrome
because sometimes link don't open another country
You can find videos on youtube, about how can you download from baidu.
And Download "Rufus" for writing image file Link : https://rufus.akeo.ie/
Files about
VI8双系统刷机教程 --> Installation docs but chinese
VI8超极版安卓软件固件 --> Android firmware files
VI8超级版WIN8系统转换安卓的工具 --> Switch OS file
VI8超级版软件（20150128）.part1
VI8超级版软件（20150128）.part2 --> Win8 Files
