To configure download settings, users would use the UI elements in 4 (configuring download location) and 5 (configuring encryption options).

Once the configuration is complete, the icon is (6) becomes green, and the "Download Selected Studies" button (7) will become enabled, allowing users to proceed downloading.

When "Encrypt Downloaded Images" is selected, and "Enter Key..." is pressed in 5, the Key Configuration Dialog will pop up allowing users to select a key (see below) for encryption.