Here are the steps to resolve the issue: 1. Install the Tomcat Plugin inside IntelliJ IDEA from the Marketplace. 2. Download the Tomcat zip file from the official website: tomcat.apache.org/ 3. Add the downloaded Tomcat file to IntelliJ IDEA's server configuration. If you can't find the Tomcat server option immediately, try restarting the application. 4. Watch this video => ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-NQcZXGx8TL4.html