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OperatingSystem.VersionString Property

Gets the concatenated string representation of the platform identifier, version, and service pack that are currently installed on the operating system.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

Public ReadOnly Property VersionString As String

Property Value

Type: System.String
The string representation of the values returned by the Platform, Version, and ServicePack properties.

By default, the value returned by VersionString is the same as the value returned by the ToString method. However, an implementation of the .NET Framework for a different platform might return a more appropriate string for that platform.

The following code example demonstrates the VersionString property.

' This example demonstrates the VersionString property. 
Imports System

Class Sample
   Public Shared Sub Main()
      Dim os As OperatingSystem = Environment.OSVersion

' Display the value of OperatingSystem.VersionString. By default, this is 
' the same value as OperatingSystem.ToString.

      Console.WriteLine("This operating system is {0}", os.VersionString)

   End Sub 'Main
End Class 'Sample

'This example produces the following results: 

'This operating system is Microsoft Windows NT 5.1.2600.0 Service Pack 1

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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