Install Apache NetBeans 12.6 on your System.

Install Temurin JDK 17. Make sure you select Temurin 17(LTS) option.

a) Select ''set JAVA_HOME variable'' option while installing the JDK on your System. Please refer to the image below.

b) After installation is Done, make sure the Path is set in System Environment variables

Install Apache Maven on your system. Navigate to the System environment variables as we did earlier in JDK Path and add the Path to both User variables and System variables.

Open the Application Apache NetBeans 12.6 on your system. On the top navigation bar, click on 'Tools' and select 'plugins' and now select 'available plugins' and in the search bar - type 'nb-springboot'. Install the plug-in. [If you face any issues while installing plugins like 'Proxy connection issues'. Please click on the proxy settings popped by netbeans and click on 'No Proxy' and retry. If the problem persists, restart the NetBeans and navigate to plugins and install 'nb-springboot' plugin. It shall work now.].

Download the project from GitHub as zip folder or clone down the project WebSocketChat-SpringBoot

Open the NetBeans. In the File option of Top navigation bar, select the 'Open project' and select the downloaded Project.

Before proceeding to run the application, please make sure you followed all the Instructions mentioned above.