1. Click on the GDEM WIST url that follows. https://wist.echo.nasa.gov/wist-bin/api/ims.cgi?mode=MAINSRCH&JS=1
2. You must be a registered user to download the data.  Please register your contact information if you have not done so already.
3. Login to your account
4. Select the following options in the search Page:
   From Land Discipline: Select [ASTER] (This will populate the Category box definitions)
   From Category box: Select [ASTER Global Digital Elevation Model V001]
5. Choose search area parameters: location or region
6. Scroll to the bottom of the page and select “ START SEARCH”
7. Proceed to “Step 1” and select desired granules. Add selection to shopping cart.
8. Choose ordering option for data retrieval
9. Check appropriate policy acknowledgements (required fields)
10.  Proceed and select  “Next Step”.  The data granules will now be accessible in your shopping cart.
11. Select “got to step 2: Order Form”
12. You may be asked to fill out address location and billing information for verification.  No charge will be associated with GDEM data archives.
13. Wait for email confirmation to retrieve data via FTP.
14. Follow email directions to retrieve data.