This article explains how to set up and use Home Sharing in iTunes on a computer, phone, or Apple TV. The instructions in this article apply to iTunes 12, 11, 10, and 9. To use Home Sharing, you need a Mac or PC with iTunes 9 or later; an iPhone, iPad, or iPod touch; or an Apple TV 4K or 4th generation.
Home Sharing allows you to share music from separate iTunes libraries between multiple computers in a home that are connected to the same network. Follow these steps to enable Home Sharing on your computer:
Make sure your devices are connected to the same network and signed in with the same Apple ID. The devices must also be awake with iTunes open.
In iTunes, select File > Home Sharing > Turn On Home Sharing.