Connect the USB cable from the handset to the computer.
Tap Media Transfer.
On the computer, if an AutoPlay window appears, select Open folder to view files and click OK.
A window will appear showing the contents of the MicroSD card installed in the handset.
Drag and drop the desired files into or out of the desired folders.
Note: To set files as ringtones or notifications, drag and drop them into the ringtones, notifications, or alarms folders. If these folders are not displayed, right click, select New, and then select Folder to create the necessary folders.
Once the files are transferred, tap and drag down the notification bar on the handset.
Tap Connected as a media device.
Tap Charge only.
The transfer is now complete and the handset is safe to unplug from the USB cable.