Addonics Technologies NAS25HDU2 User Manual page 5

How to create a user
Click on the "Add" button and type new account name and password. Click
"OK". The NAS will also create a SAMBA folder named "User1".
Click "Modify" to share a folder.
Select "User1" from Folder List and click the "à" to add user on "Sharing
List".
To access the PUBLIC folder of the Samba Server
Click on the Windows icon located on the bottom left corner of the screen,
on the "Search programs and files" \\ followed by the IP address.
Eg:\\192.168.1.121 and press Enter key to continue.
Type "Guest" as username. Leave password empty. Click on OK.
This will direct you to the Public folder on the NAS drive.