How to Convert a Mac iPod to Windows Formatted Music
- 1). Connect your iPod to the PC using the supplied dock connector to USB cable.
- 2). Open iTunes on your computer if it doesn't launch automatically when your iPod is connected to it.
- 3). Click on the iPod icon in the device list, which is located on the left side of the iTunes interface below the "Library" and "Store" options.
- 4). Click on "Summary" in the main iTunes window. In this window, you will see information pertaining to your iPod and the software you are running it with.
- 5). Click the "Restore" button.
- 6). Click "Restore and update," which will restore your iPod to factory settings and update it with the latest iTunes for Windows software.
Source...