Official Apple Support
https://www.support.apple.com/kb/ht2515
WEBDo you want to know how to change your iChat preferences, status, or sounds? Or how to use iChat Theater, screen sharing, or encryption? This support article from Apple covers all these topics and more, helping you make the most of iChat , the instant messaging and video chat application for Mac OS X.
DA: 18 PA: 79 MOZ Rank: 76