The base installation of NetBeans does not include the web development category.

To add the Java web development tools to NetBeans
- Start the NetBeans IDE,
 - In the Tools menu select Plugins,

 - On the Available Plugins tab select the Java EE Base plugin and click the Install button,

 - If any of the installed plugins is missing the valid signature, you need to click the Continue button to allow the installation,

 - For the plugin installation, you need to restart the NetBeans IDE,

 - During the next start, NetBeans installs the new plugins,

 - The Java Web category is now available.
