Related Clues:
- Software prog.
- Software, so to speak
- What we opened before we had Windows
- Computer program, casually
- Piece of PC software
- PC programs, briefly
- Some downloads
- Early PC software
- Platform introduced in 1981
- Internet program, briefly
- Software program, for short
- Progs that may be "killer"
- Killer ___
- Old PC platform
- PC programs