...
In the Main IIS window, right-click Sites in the tree and select Add Website.
Name the website Enterprise BI (or something similar), select the Select button, then use the drop-down to select the application pool you created previously.
Select Browse (...) under Physical Path, then navigate to \inetpub\wwwroot\EnterpriseWebsite.
Under Edit Bindings, set the Port to use for the website, then select OK.
...
Note
Ensure that the port number you assign to the website is not already assigned to another website.