How do I use my subscription key in a JBoss install?

Issue

I don't know how to use my subscription key in the JBoss installation.

JBoss 4.0.5

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Here are the common uses of Markdown.

Code blocks

~~~
Code surrounded in tildes is easier to read
~~~

Links/URLs

[Red Hat Customer Portal](https://access.redhat.com)