Start off by downloading the NetBeans plugin from the http://plugins.netbeans.org. Save the NBM file to your computer and fire up NetBeans.
Next, lets open the Plugins menu from the Tools top menu.
From the opened window, navigate to the Downloaded tab and click the Add Plugins button. Select the downloaded NBM file for the appeared dialog. Next, you should see a new plugin in the plugins section and some general information about it. Check the checkbox besides the JRebel plugin name and click Install.
Hit Next button to proceed with the installation until you reach the dialog screen suggesting the a restart.
After restart open the Options dialog from Tools menu, and switch to JRebel tab.
Browse to the jrebel.jar location on your filesystem (it's $AGENT_PATH_WIN
).
After you've completed the installation and configured the path to jrebel.jar you are all set for using JRebel in NetBeans.