...
Now add the Maven 2 bin directory to the Path. The easiest way to do this is by navigating to the bin directory in Explorer and then copying the full path from the address bar into the Path . Make (using Ctrl+c, Ctrl+v). The path items are separated by semi-colons so make sure to put a semi-colon in front of the new path itementry.
Maven 2 Plugin
Install the Maven Plugin in Netbeans at Tools > Plugins > Available Plugins.
...