# Windows 2.1

> 16-bit Microsoft Windows GUI-based operating environment

**Wikidata**: [Q1209367](https://www.wikidata.org/wiki/Q1209367)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Windows_2.1)  
**Source**: https://4ort.xyz/entity/windows-2-1

## Summary
Windows 2.1 was a 16-bit Microsoft Windows GUI-based operating environment released on May 27, 1988. It was part of the Microsoft Windows family and succeeded Windows 2.0 before being followed by Windows 3.0. The stable version 2.11 was released on March 13, 1989.

## Key Facts
- Windows 2.1 was released on May 27, 1988, with the stable version 2.11 released on March 13, 1989
- It was developed by Microsoft as part of the Microsoft Windows family of operating systems
- Windows 2.1 was a 16-bit graphical user interface (GUI)-based operating environment
- It was succeeded by Windows 3.0 and preceded by Windows 2.0
- Windows 2.1 had multiple aliases including Windows/286, Windows/386, Windows/486, and Windows 2.1x
- It was distributed under a proprietary license
- The platform was Q182933
- It had a Freebase ID of /m/02r2j9c
- It is classified as an operating system and an edition/translation of Microsoft Windows
- The software had 31 sitelinks and was available in multiple languages including English, Spanish, French, and others

## FAQs
### Q: What was Windows 2.1?
A: Windows 2.1 was a 16-bit Microsoft Windows GUI-based operating environment released on May 27, 1988. It was part of the Microsoft Windows family and was succeeded by Windows 3.0.

### Q: What versions of Windows 2.1 were released?
A: Windows 2.1 had multiple versions, with the stable version 2.11 being released on March 13, 1989. It was also known by aliases such as Windows/286, Windows/386, Windows/486, and Windows 2.1x.

### Q: What was the purpose of Windows 2.1?
A: Windows 2.1 served as a graphical user interface for MS-DOS, providing a visual operating environment that improved upon the earlier Windows 2.0. It was developed to enhance user experience with more intuitive navigation and application management.

### Q: What operating system came after Windows 2.1?
A: Windows 2.1 was followed by Windows 3.0, which was released in 1988 and represented a significant upgrade in functionality and user interface design.

### Q: Who developed Windows 2.1?
A: Windows 2.1 was developed by Microsoft, the American multinational technology corporation founded in 1975.

## Why It Matters
Windows 2.1 represented an important evolutionary step in the development of graphical user interfaces for personal computers. Building upon the foundation laid by its predecessor Windows 2.0, it introduced improvements in memory management and application compatibility that made it more practical for business use. The release of version 2.11 in 1989 addressed many of the limitations of earlier Windows versions, setting the stage for the revolutionary Windows 3.0 that would follow. Windows 2.1 was particularly significant for its expanded hardware support, with versions tailored for different processors (286, 386, 486), making it more versatile across different computer systems of the era. This version helped solidify Microsoft's position in the emerging GUI market and demonstrated the growing viability of Windows as a serious competitor to other graphical operating systems.

## Notable For
- First Windows version to have distinct versions for different processor architectures (Windows/286, Windows/386, Windows/486)
- Improved memory management over its predecessor Windows 2.0, enabling more sophisticated applications
- Last Windows version before the breakthrough Windows 3.0 that brought widespread commercial success
- Introduced better support for overlapping windows, a significant user interface improvement
- Part of the evolution that eventually led to the dominant Windows 95 interface

## Body
### Overview
Windows 2.1 was a 16-bit Microsoft Windows GUI-based operating environment released on May 27, 1988. It was part of the Microsoft Windows family of computer operating systems and represented an intermediate step between Windows 2.0 and Windows 3.0. The stable version, 2.11, was released on March 13, 1989, and Windows 2.1 was eventually discontinued on the same date.

### Technical Specifications
Windows 2.1 was designed to run on 16-bit architecture and was distributed under a proprietary license. It was classified as an operating system and an edition/translation of Microsoft Windows. The platform was identified as Q182933, with a Freebase ID of /m/02r2j9c. The software was available in multiple languages including Arabic, Bulgarian, Bosnian, Catalan, Greek, English, Spanish, Persian, French, and Hindi.

### Development and Release
Windows 2.1 was developed by Microsoft, the American multinational technology corporation. It followed Windows 2.0, which was released on December 9, 1987, and was itself succeeded by Windows 3.0 in 1988. The software had 31 sitelinks and was part of the broader evolution of the Windows operating system family that Microsoft had begun in 1985.

### Versioning and Aliases
Windows 2.1 had several aliases including Windows/286, Windows/386, Windows/486, Windows 2.1x, ويندوز ٢.١x (Arabic), 윈도 2.1 (Korean), and 윈도우 2.1x (Korean). These aliases reflected different versions of the software optimized for different processor architectures, with Windows/286 designed for Intel 80286 processors, Windows/386 for 80386 processors, and Windows/486 for 80486 processors.

## Schema Markup
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  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Windows 2.1",
  "description": "16-bit Microsoft Windows GUI-based operating environment",
  "url": "http://support.microsoft.com/kb/32905",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q156034",
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  "additionalType": "Operating System",
  "creator": "Microsoft",
  "version": "2.11",
  "dateCreated": "1988-05-27",
  "dateModified": "1989-03-13",
  "license": "Proprietary License",
  "keywords": ["Windows/286", "Windows/386", "Windows/486", "Windows 2.1x"]
}

## References

1. [Source](http://support.microsoft.com/kb/32905)
2. Freebase Data Dumps. 2013