How to add YouTube Video to the SharePoint 2010 Site

Method 1: using Content Editor web part.
  1. Go to the SharePoint site page where you want to add a YouTube video.
  2. Click Edit
  3. Add Webpart
  4. Media and Content->Add Content Editor Webpart
  5. Then go to any you tube video and click embed and copy the code and paste
  6. Edit webpart and paste inside html editor webpart
  7. Then ok