Apache Tomcat is a Java-capable HTTP server, which could execute special Java programs known as "Java Servlet" and "Java Server Pages (JSP)". Tomcat is an open-source project, under the "Apache Software Foundation" (which also provides the most use, open-source, industrial-strength Apache HTTP Server).

1. Download & install Apache Tomcat software.
Download Apache Tomcat 9.0

2. Apache Tomcat is running in port 8080 ( http://localhost:8080/ )