Nostalrius Begins - Quality wow vanilla realm (1.12)

Hey everyone i downloaded Nostalrius on my brothers pc cus to him internet is faster i installed WoW to him with installer i downloaded on this site i tried to put it on my 16gb usb and it said that file is to large to fit on usb,next i tried to extractt files direclty to my usb and it worked when i went to my pc i went to install i got this error
(http://prntscr.com/8bs1ym) next i copyed files from my brothers pc to my usb when i try to run it on my pc i get this (http://prntscr.com/8bs37g) then i click continue and i get this (http://prntscr.com/8bs2zd) please someone help me and i have windows 10 maybe that is the problem cus i saw that windows 10 is disabling pirated games
please help me guys

It looks like the source files you copied are simply corrupt; two of your screenshots reference the same error message on the same file.

Your brother's internet may be faster, but is there a reason you can't just download and extract the files using the Nost installer on your computer?