In order to change the default port in Apache Tomcat, you need to:

1. Stop Apache Tomcat service

2. Go to your Apache Tomcat folder (for example C:\Program Files\Apache Software Foundation\Tomcat 7.0) and find file server.xml under \conf\ folder.

3. Modify the Connector port value from 8080" to the one you want to assign to your web server.

Example:

From:

To:

4. Save the file

5. Restart the Apache Tomcat service