- January 22: The 1984 Apple commercial announcing the Macintosh is aired during Super Bowl XVIII.
- January 24: The first Macintosh 128K is released.
- April 23: The Apple IIc is introduced at the Apple II Forever conference, held at the Moscone Center in San Francisco, California.
- May 5: System 1.1 is released.
- June 22-24: The first Apple Expo is held in Paris, France.
- September 10: The Macintosh 512K is released.
- October 25-29: Another Apple Expo is held in Cologne, West Germany.