Yes, of course. Here is the link to supported configurations.

Seems to me you are just starting out with the community discussions. Note that the discussions space is mostly leveraged for highly technical issues regarding the project or product you are posting for.

As JBoss is pure Java you need to have a Java, i.e current Java 1.7, installed on your machine.

You can use a lot of different OS which support Java.

Simple download the EAP or JBoss zip file and unzip it to your system.

You will find several documents to get started.