While we wait for OpenAM to download, let's discuss the OpenAM prerequisites. One advantage to using the Enterprise version of OpenAM is access to the OpenAM Install Guide available from http://docs.forgerock.org/en/openam/10.1.0/OpenAM-10.1.0-Install-Guide.pdf.
hostsfile in the notepad by navigating to
C:\Windows\System32\drivers\etc\hosts file. If you don't see it, you'll need to change the dropdown in the notepad from Text Documents (*.txt) to All Files (*.*).