From the NetBeans IDE menu bar choose Tools and then Plugins.
On the Plugins page, click the Settings tab.
From the Configuration of Update Centers pane select the type of components you want to install.
Click the Available Plugins tab.
Select each module you want to install, or right-click in the list and select Check All to select all modules to install.
To begin the installation, click Install.
When the NetBeans IDE Installer appears, click Next, accept the license, and click Install.
When the installation completes, select whether to restart the IDE and then click Finish.
You are now ready to continue using Java CAPS.