i think that windows isn't a good plataform to install openshift, if you have a VM try to install CentOS 6 or fedora (or RHEL 6 if you have access to any distribution) there's a very larger amount of information to these OS than windows, or you just can install the openshift OS distribution that is supposed to do everything for you, you only have to configure the DNS server and DHCP and a few thing that scripts doesn't can do for you.
If you try to install it on one of the Linux distribution mentioned above you can just install it from the webpage or try to install from the deployment guide that is very complete: www.openshift.org/documentation/oo_deployment_guide_comprehensive.html
In my personal experience i had a very hard time with the deployment guide but it worth if you think in the knowledge and experience that you gain.
all is there, hope it weren't too late to answer you.