The editor is installed with the State Diagram Toolkit which I receive as part of the Professional Developer Suite. However, the toolkit is, I think, still at version 1.0, so you should be able to reinstall it for LabVIEW 8.2 from your original media. Note that the easiest way I've found to deal with this toolkit is to uninstall and then reinstall because the installer will not install the toolkit for 8.2 if it is already installed for an earlier version of LabVIEW. (This is because the toolkit is registered with Windows on my machine.)