I'm assuming that you have JDK 1.4.x installed and your JAVA_HOME environment variable set. You can verify this by typing "java -version" at the command line.
            - I recommend getting the .zip and extracting it to 
            C:\Tools\jakarta-tomcat-4.1.x.  
            - Set a CATALINA_HOME environment variable to point to your 
            installation.
            
            - I recommend getting the .zip and extracting it to 
            C:\Tools\apache-ant-1.5.2.  
            - Set a ANT_HOME environment variable to point to your 
            installation.