Go to: Models tab>select model under Model Name>Operations
You can manage models by using the Operations dialog box to do the following:
Publish Defaults - Create the files required to view and download the model.
Clear Cache - Free memory by clearing model files stored in the cache.
Update model - Update the model in the catalog if you have made changes.
Get Model Zip File - Download the original .zip file to your computer from its location on the server.
Delete this Model - Delete the model from the catalog.