Mobile phones have long ceased to be simple devices for voice communication. The iPhone, Android devices, and other existing smartphone models feature advanced features such as high-resolution cameras, Internet access applications, and integrated media player.
In the case of iPhone and iPod, the one responsible for playing music and multimedia files, it requires iTunes. This program once installed on your computer can synchronizes digital content between your PC and your Apple devices (iPhone, iPod Touch, iPad).
How To Move Music from PC to iPhone/iPod
Download and install iTunes. Then add to the iTunes library the music you want to play. This will be added to the Songs library. Then connect your iPhone / iPod to your computer. Your name and content organized in categories (Music, Videos ...) will appear in the Devices section. Click Songs, select the music you want to play, and drag it to the Music Library that appears below the name of your device:
After syncing, you can enjoy all your music on your iOS device.