Move all of the file to <Install_Directory>/NetSight
Combine the parts of the zip file into a single zip file with the following command:
zip -s 0 saint_latest.zip -O Combined_saint.zip
Unzip the combined file: (The .zip should extract the files into the correct directories inside Extreme Management Center server)
Attempt to update the Saint Assessment adapter again by clicking tools > Management and Configuration > Assessment Settings > Assessment Servers tab > Click the "Upgrade" button.. The upgrade may take a long time if the Assessment Adapter needs to upgrade multiple times.