Microsoft Windows

See this page for real windows versions by Microsoft.

This is a list of fan made never released Windows operating systems created by fellow people. Feel free to add your own versions to the page.

List of Versions[]

Pre-NT/9x/DOS-Based[]

• Windows 1.5
• Windows 2.03 TrueQuality
• Windows 2.2
• Windows 3.05
• Windows 3.1 with Game Development Software March 1991
• Windows 91
• Windows 3.1/Test Release
• Windows 92
• Windows Juliet
• Windows 99

Windows NT[]

• Windows 2001
• Windows 2003
• Windows 2004
• Windows 2005
• Windows 2008
• Windows 2009
• Windows 2010
• Windows 2011 Service
• Windows 2011
• Windows 111
• Windows 8.2
• Windows 8.4
• Windows 8.6
• Windows 9
• Windows 2014
• Windows 9.1
• Windows 2016
• Windows 2017
• Windows 10.1
• Windows Night
• Windows 2020
• Windows 2022
• Windows Night 2
• Windows 12