We recommend downloading the - but of course you can also build the jMonkeyEngine yourself from the sources. You need Subversion installed.
svn checkout http://jmonkeyengine.googlecode.com/svn/trunk/engine jme3
ant jar
dist/jMonkeyEngine3.jar
and dist/libs/*
ant javadoc
dist/javadoc
directory.ant run
dist/jMonkeyEngine3.jar
and all JARs from the dist/lib
directory on the classpath.com.jme3.app.SimpleApplication
. Learn more about: