To use iChat, you must have a pre-existing iChat or AIM (AOL Instant Messenger) account. If you do not have one, please set one up through either service. Chat with other online users in a full-screen personal video conference environment over any broadband connection. IChat AV uses patented anamorphic resizing techniques so that the video of the person you're chatting with fills the entire screen without distortion. IChat AV also lets you size your video window to whatever size suits your style- from the large default of 352x288.

•: Trillian has a fun and easy design with good customization features. Trillian is worth trying out when you are looking for an IM client for Windows that is similar to the Mac iChat experience. •: One of the oldest multiprotocol IMs is also one of the most fun. Pidgin (formerly GAIM) offers a light, clean IM experience with access to major market instant messaging services. •: Another light and simple IM, is bare bones but allows users to chat with many friends across IM networks without taking up loads of hard drive space.

Messages or iChat-based screen sharing can't be easily used for to your own Mac since both messaging apps assume that there's someone present at both machines to initiate and accept the screen sharing process. If you attempt to use Messages or iChat to log into your Mac while you're on the road, there won't be anyone at your Mac to accept the request to connect.

So, save the messaging apps for screen sharing between you and another individual; there are other screen-sharing methods you can use when you want to remotely connect to your own Mac.

An attacker can force a user who is logged in with Microsoft Lync for Mac 2011 ( instead of a. Microsoft lync 2010 client for mac download.