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The first five versions of Windows– Windows 1.0, Windows 2.0, Windows 2.1, Windows 3.0, and Windows 3.1 –were all based on MS-DOS, and were aimed at both consumers and businesses.
- The Development Codename
- The Marketing Name
- The Version Number
- The OS Build Number
- So What Do You Do with All This Information?
Each Windows 10 Update starts with a development codename. In recent years, Microsoft has simplified these. For example, Windows 10 20H2 became the October 2020 Update. It was named "20H2" because it was planned for release in the second half of 2020. Simple! In theory, these development codenames are just that: For the Windows development process ...
But normal people don't understand development codenames, right? To make things "simpler" for the masses, Microsoft created official names for each update, designed to make them nice and human-readable. When an update is near release, it gets one of these names. In recent years, these names have been pretty self-explanatory. "October 2020 Update" a...
Windows 10 has version numbers which are different from the development codename! It's true. The Windows 10 October 2020 Update is technically Windows 10 version 2009. The first two digits represent the year and the last two digits represent the month. Thus, the number refers to... September 2020. But this is the October 2020 Update, right? Well, y...
Windows 10 also has operating system (OS) build numbers. During the Windows development process, each "build" of Windows 10 released to Windows Insiders has its own build number. After much testing and bug-fixing, Microsoft settles on a final build that will be the stable version of the update. When the stable update is released, it still has this ...
At times, it seems like different teams at Microsoft are speaking different languages. One document talks about 20H2, another talks about version 2009, a technical document refers to build 19042, and the marketing team talks up the October 2020 Update. They're all talking about the same thing. Now that you understand this, it's easier to make sense...
- Former Editor-In-Chief
Jul 11, 2019 · Build number is a compilation sequence number mainly used internally at Microsoft, that mainly reveals the state of the installed version, in terms of features. Cumulative updates do not change it . CUs change the revision number, keeping the other number intact.
Quickly reference windows version numbers for both client and sever Microsoft Operating systems. PowerShell example provided to get your OS version number.
Feb 12, 2024 · A list of Windows versions with their true version numbers. Also here are the Windows build numbers associated with major updates, if available.
Windows Version Numbers - Version and build numbers of Microsoft Windows.
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Dec 16, 2023 · Microsoft has now shifted to annual feature releases. For example, Windows 10 has versions 21H2, 21H1, and many others, while Windows 11 has 21H2, 22H2, and 23H2. This post lists the complete timeline and highlights the significant details of each Windows version released from the beginning of time.
