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.NET Development
System
Environment Class
 Is64BitProcess Property
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This page is specific to
Microsoft Visual Studio 11/.NET Framework 4.5

Other versions are also available for the following:
.NET Framework Class Library
Environment..::.Is64BitProcess Property

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Determines whether the current process is a 64-bit process.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
Visual Basic
Public Shared ReadOnly Property Is64BitProcess As Boolean
C#
public static bool Is64BitProcess { get; }
Visual C++
public:
static property bool Is64BitProcess {
	bool get ();
}
F#
static member Is64BitProcess : bool

Property Value

Type: System..::.Boolean
true if the process is 64-bit; otherwise, false.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8 Consumer Preview, Windows Server 8 Beta, Windows 7, Windows Server 2008 SP2, 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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