Connect the USB cable from the handset to the computer.
Tap Media Device (MTP).
On the computer, if an AutoPlay window appears, click Open folder to view files.
Note: If an AutoPlay window does not appear, from the Start menu on the computer, click Computer, then double-click the device name under Portable Devices.
A window will appear showing the contents of the storage location.
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.
The transfer is now complete and the handset is safe to unplug from the USB cable.