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

Barbara Streisand

Jan 15, 2025 pm 09:23 PM

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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