Use this tag when ArcGIS 10.0 is the version you are using from the ArcGIS platform.
Use this tag to indicate the question relates to something being seen in one or more of the products from the ArcGIS 10.0 version of the ArcGIS suite/platform. It is recommended that you also apply an ArcGIS product tag like arcgis-desktop, arcgis-server, etc.
This version was released in June 2010 and was replaced two years later with version 10.1.
The online help is available at http://help.arcgis.com/en/arcgisdesktop/10.0/help/