With the help of barebonet , i made his 2 os compatible with z270.
You can download the Tib from here,it takes you 30 seconds to install and be in windows.
XP64 support for z170/270 - Mostly for 3Dmark2001,it has moded inf for 980 ti integrated
Xp32 support for z170/270 - Used for spi32m