But to have this work on your Windows machine you need a two step configuration in the computer system to have it activated and running.
Step 1: Enable DLNA function of Microsoft Windows
From the Windows Control panel, choose "network and internet" and inside go to:
Choose homegroup and sharing options
in this interface ENABLE the contents such as Pictures, Music and Videos that you want to share, from "Change homegroup settings" screen.
If you want to use Stream media option of Windows Medial Player12, enable "Stream my pictures, music and videos to all devices on my home network" option too.
Step 2: Enable sharing of each folder you want to see through UPnP/DLNA from the frame
For each folder that has your pictures inside and that you want to stream from the frame, in the windows file manager in the folder open to it's properties and inside allow the sharing.
Now in the frame go to
My Local Pictures then to
My Network devices.
you should see in the list your windows PC and inside your folders.