Windows
Launched: 1985
Originally created as a complement to MS-DOS in response to the growing emergence of window environments on PC computers, it would eventually capture 90% of the market.
Windows versions
| Year | Ver. |
|---|---|
| 1988 | Windows 2.1 |
| 1990 | Windows 3.0 |
| 1992 | Windows 3.1 |
| 1993 | Windows 3.11 |
| 1995 | Windows 95 Startup sound: |
| 2001 | Windows XP Startup sound: |