| Year | Event |
| 1990 | In 1990 Tim Berners-Lee, working with Robert Cailliau at CERN propose a 'hypertext' system, which is the first start of the Internet as we know it today. |
| 1990 | Microsoft releases Windows 3.0 a completely new version of Microsoft Windows. The version will sell more than 3 million copies in one year. |
| 1990 | Microsoft exceeds $1 billion in sales and becomes the first company to do so. |
| 1990 | Godwin's Law is conceived. |
| 1990 | Microsoft releases its first product for the Russian market Russian DOS 4.01. |
| 1990 | The World, the first commercial Internet dial-up access provider comes online. |
| 1990 | Norton sells his software business to Symantec. |
| 1990 | Creative Labs introduces the SoundBlaster Pro. |
| 1990 | Quarterdeck releases its memory management program QEMM386 version 5.1 which quickly becomes the fastest-selling software program in the Untied States. |
| 1990 | Robert Noyce passes away June 3, 1990. |
| 1990 | The Multimedia Personal Computer (MPC) standards are developed by Tandy and Microsoft. |
| 1990 | Microsoft and IBM stop working together to develop operating systems. |
| 1990 | IBM introduces XGA. |
| 1990 | ARPANET replaced by NSFNET. |
| 1990 | The first search engine Archie, written by Alan Emtage, Bill Heelan, and Mike Parker at McGill University in Montreal Canada is released on September 10, 1990 |
| 1990 | GSM standard is defined. |
| 1990 | The NiMH battery begins being used for commercial use. |
| 1990 | Panda Software is founded. |
| 1990 | Archie, the first search engine is introduced on September 10, 1990. |
| 1990 | Gopher is developed at the University of Minnesota. The program is a menu-driven search-and-retrieval tool and helps Internet users location information online. |
| 1990 | Intel releases the 80386SL processor which uses low power and found in many portable computers. |