- Download Adium.
- Find and open the downloaded disk image file containing the software.
- Drag the Adium icon (the green bird) on-top of the Applications folder (located just to the right of the green bird) to install.
- Adium will copy itself to the Applications folder and is now installed.
- Instructions on how to connect to MIT's Jabber chat service can be found here.
Additional usage-documentation is available from the Adium development team.