Attached is the download for the FGDC Metadata Editor add-in. This add-in provides a command that can be added to the Metadata toolbar in ArcCatalog. When clicked it opens the same FGDC metadata editor available at previous releases. This editor can be used to modify content in FGDC elements in an item's metadata. These elements sit alongside ArcGIS elements in the item's metadata. ArcGIS 10 will not automatically update any content in any FGDC elements. If you're using a metadata style that supports full access to the item's metadata, any FGDC elements that are present can be viewed under the FGDC metadata heading.
Steps to getting started:
For more information please vist the ESRI blog site.