It is possible that the download link provided above does not refer to the intended version.
If you are looking for ArcGIS Explorer Projection Engine Expansion Pack, you may try searching for a download link using
Google.
Review
ArcGIS Explorer Projection Engine Expansion Pack is developed by Environmental Systems Research Institute, Inc and is used by 28 users of Software Informer. The most popular versions of this product among our users are: 9.4 and 10.0. The product will soon be reviewed by our informers.
