Download liferay-portal-ent-4.0.0-jboss-jetty.zip to /ext/downloads.
Run ant install-jboss-jetty under /ext/servers to install JBoss+Jetty to /ext/servers/jboss-jetty.
Download liferay-portal-ent-4.0.0-jboss-tomcat.zip to /ext/downloads.
Run ant install-jboss-tomcat under /ext/servers to install JBoss+Tomcat to /ext/servers/jboss-tomcat.
Download liferay-portal-pro-4.0.0-jetty.zip to /ext/downloads.
Run ant install-jetty under /ext/servers to install Jetty to /ext/servers/jetty.
Download liferay-portal-ent-4.0.0-jonas-jetty.zip to /ext/downloads.
Run ant install-jonas-jetty under /ext/servers to install JOnAS+Jetty to /ext/servers/jonas-jetty.
Download liferay-portal-ent-4.0.0-jonas-tomcat.zip to /ext/downloads.
Run ant install-jonas-tomcat under /ext/servers to install JOnAS+Tomcat to /ext/servers/jonas-tomcat.
Download oc4j_extended.zip to /ext/downloads.
Run ant install-oc4j under /ext/servers to install OracleAS to /ext/servers/oc4j.
Download orion2.0.7 .zip to /ext/downloads.
Run ant install-orion under /ext/servers to install Orion to /ext/servers/orion.
Download liferay-portal-tomcat-jdk5-4.0.0.zip to /ext/downloads if you are using Java 1.5.
If you are using Java 1.4 Download liferay-portal-tomcat-4.0.0.zip
Run ant install-tomcat under /ext/servers to install Tomcat to /ext/servers/tomcat.