COWON D2 is automatically recognized as a removable disk when you connect it to your PC via USB cable. COWON D2 will be appeared as "IAUDIO" or "Removable Disk" on Windows Explorer. You are able to transfer audio files, video files or any data directly from PC to the player without JetShell. 1. Copy the file you desire to download to the player. (Ctrl + C) 2. Select the drive (IAUDIO or Removable Disk) in the Windows Explorer. 3. Paste the file into the folder where you want to store the file. (Ctrl + V) 4. After transferring, remove the USB cable from the player, and then play download files. Thank you.