1. Go to Your Facebook account
2. In the search box write Youtube
3. Click on Youtube Tab ApP
4. Click Install Application
5. Choose Your Pages and click add page tab
6. Click Application Settings
7. Go to your Youtube Channel
8. Copy Your Channel name
9. Paste on Account Name Box.
10. Open featured video on uoutube
11. Paste Featured Video ID
12. Chose theme
And Click save settings.