You can use Apple's Home Sharing network to import up to five items to your home computer from iTunes or to stream content from Apple TV. To enable Home Sharing on your computer you will need an Apple ID and iTunes installed on the computer you want to use.
1. To turn on Home Sharing choose the file you want to share from iTunes and select Home Sharing
2. Click Turn on Home Sharing
3. Enter your Apple ID
4. Click Turn On Home Sharing