How Can I Detect the Windows OS Version in .NET?

Identifying Your Windows Version with .NET

Problem: How do we reliably determine the specific version of the Windows operating system within a .NET application?

Solution:

The System.Environment.OSVersion property offers a straightforward approach to identifying the Windows OS version. While effective for distinguishing major releases, it may not provide granular detail for all versions.

The OSVersion property comprises three key components:

PlatformID	Major Version	Minor Version	Corresponding Windows Versions
Win32Windows	4	0	Windows 95
Win32Windows	4	10	Windows 98
Win32Windows	4	90	Windows Me
Win32NT	4	0	Windows NT 4.0
Win32NT	5	0	Windows 2000
Win32NT	5	1	Windows XP
Win32NT	5	2	Windows Server 2003
Win32NT	6	0	Windows Vista, Windows Server 2008
Win32NT	6	1	Windows 7, Windows Server 2008 R2
Win32NT	6	2	Windows 8
Win32NT	6	3	Windows 8.1
Win32NT	10	0	Windows 10

Important Considerations:

• Enhanced Precision: For precise identification of Windows releases beyond the major versions listed above, consider employing a dedicated third-party library.
• Manifest Impact: The accuracy of System.Environment.OSVersion can be influenced by your application's manifest file. Explicitly defining compatibility with Windows 8.1 and Windows 10 in your manifest ensures reliable results.
• .NET 5.0 and Beyond: In .NET 5.0 and subsequent versions, System.Environment.OSVersion delivers consistently accurate OS version information.

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