Environment.Is64BitOperatingSystem Property   
Definition
Important
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Gets a value that indicates whether the current operating system is a 64-bit operating system.
public:
 static property bool Is64BitOperatingSystem { bool get(); };public static bool Is64BitOperatingSystem { get; }static member Is64BitOperatingSystem : boolPublic Shared ReadOnly Property Is64BitOperatingSystem As BooleanProperty Value
true if the operating system is 64-bit; otherwise, false.