With JDK and Ant in place, you can install the last piece of the basic JSP architecture—the JSP server itself. In this case, you'll be installing Apache Tomcat.
Point your browser to http://jakarta.apache.org/builds/jakarta-tomcat-4.0/release/v4.0.1/bin/ and select the binary zip file. Save the file to a known location.
Open the saved file using a zip unarchiver and extract all the files, preferably to C:\ (which will create a directory C:\jakarta-tomcat-4.0.1). Be sure to click Use Folder Names in the Extract dialog box, if it's offered.
Click Program, Run, and enter c:\jakarta-tomcat-4.0.1\bin\startup.bat
You should see a window with content ...