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Environment.Is64BitOperatingSystem Property

.NET Framework 4.6 and 4.5

Determines whether the current operating system is a 64-bit operating system.

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

public static bool Is64BitOperatingSystem { get; }

Property Value

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

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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