If you see gibberish in the window after you started the download, start the download again by right clicking the link
and selecting 'Save Target As...'
Start the schema creation tool
Enter 'java -jar CORESClient.jar' in the console within the directory where you have
downloaded the client
OR just double-click on the downloaded file to start the client (depending on your
OS)
For any further information about the use of the client see the user's manual