Drools is available from two Subversion repositories.
Anonymous SVN
http://anonsvn.labs.jboss.com/labs/jbossrules/trunk/
Developers secured SVN
https://svn.labs.jboss.com/labs/jbossrules/trunk/
Setup TortoiseSVN to checkout from the subversion repository and clikc
'OK'
Once the checkout has finished you should see the
folders as shown below.