If you have a CD or music files on your computer, get the iTunes app on your computer and upload the music to your iTunes app. Then you can use a USB port and connect the iPod to your computer to transfer your music. read more
AnyTrans for iOS is said as the best iTunes alternative to transfer & manage music and more on iPhone, iPad, and iPod. It works on both Mac and Windows computer. It helps add music from any computer to any iPod (as well as iPhone/iPad) without iTunes. read more
Connect your iPod and open iTunes. To begin the process of adding music to your iPod, open iTunes. If you haven't already connected your iPod, do so as soon as iTunes opens. Within a few moments, iTunes should recognize your device — you should see a small "iPod" button with a picture of an iPod appear in the upper right. Click this button. read more