The instructions for use are very simple and the resulting download can be opened in ArcGIS
How to select a desired area;
Step 1 : Define the area of interest by specifying location name, selecting or , click and drag a rectangle or polygon , or input coordinates by selecting .
Step 2 : Click Log In and sign on using your WIST/ECHO account.
Step 3 : Click , specify data name, projection, format and other output setting, then submit the request.
Step 4 : Preview and download the output data.