Problem to install

I’m trying to create a personal blog with hugo but I can not, I tried to follow the footsteps of,
but I’m enfretando a problem, my page only 404
displays the message, someone could tell me where I am going wrong,
noting that I am not able to do the steps "git submodule add
/ public Almost done: add the script to help
you (and make it executable: chmod + x, "and I’m using
Windows 8 operating system