Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
how do i upgrade iChat to Messaging on my iMac?
iMac
In order to upgrade to Messages you need to upgrade your OS X to 10.8 Mountian Lion or Mavericks. You should first see if your computer meets the minimum specs http://support.apple.com/kb/HT5444
Also consider that any applications you use that are coded for PPC will no longer work in the newer OS.
upgrading iChat to Messaging
