1. To download the FlexBean plugin, click here.
2. Once downloaded, please start NetBeans IDE and click Tools >> Plugins
3. Now in “Plugins” dialog box select “Downloaded” Tab and click “Add Plugins…” button.
4. From “Add Plugins…” dialog please browse to the directory where you downloaded the flex bean plugin file and select it. Finally, click “Open” button to add the plugin to plugin list.

5. Now click “Install” button with FlexBean selected and you will be presented with a FlexBean installation wizard.
6. Click Next, accept the agreement, and finally click install to install the plugin in NetBeans.
7. Click finish and then close all the dialogs to return to NetBeans workbench.

8. To configure FlexBean plugin properly, it needs to know the location where the Flex SDK has been extracted. Click Tools >> Flex Platform.
9. From “Flex Platforms” dialog select "Add Platform…” Button and select the folder where you have extracted Flex SDK and click Next.
10. Finally, write a name of the platform in the next dialog and click Finish.
This is all you need to do in order to make the NetBeans IDE ready for Flex editing.
Next, I will be creating our first flex application and get our hands wet with some real water. Stay tuned!