Desktop client
The XNAT Desktop client is maintained by the XNAT development team. For information see the link below.
XNAT Desktop client : https://www.xnat.org/download/desktop-client/
Install client
Section titled “Install client”Download and install the client for you operating system

Download images
Section titled “Download images”The Project, Subject and Sessions page has the option to Download Images from the right hand side menu

Select Option 1: Download via Desktop Client

Click Download Via App

Select a local destination folder

Download should start, and progress can be monitored