http://www.codeproject.com/Tips/365704/Install-IIS-on-Windows
Now you can use Internet Information Services Manager to manage and configure IIS. To open IIS Manager, click Start, type inetmgr in the Search Programs and Files box, and then press Enter.
Make it public accessible :
First you have to know the port on which your site is running. Usually your address is like 127.0.0.1:82, 82 being the port number. If is nothing it may be 80. To be sure,
-go to IIS manager,
-in the left expand Sites, right click on your site
-Edit Bindings, and you will see the port no.
Then
-Go to CP -> Windows Firewall
-Advanced settings
-Inbound Rules
-New Rule…
-Select port
-TCP, your port number and a name. Also make sure that if you have another firewall, add an exception for it too, or disable it.