Related Clues:
- Early PC interface
- 'Killer' program
- Early computer acronym
- Useful piece of code, briefly
- Zoom, for one
- Killer __ (powerful software)
- Computer programs, familiarly
- Internet programs, in brief
- Software program
- Cell-phone program
- PC platform released in 1982
- PC program, for short
- iPhone download
- Popular PC interface before Windows
- iPhone downloads