How to detect Windows 64-bit platform with .NET?

Question

In a .NET 2.0 C# application I use the following code to detect the operating system platform:

string os_platform = System.Environment.OSVersion.Platform.ToS         


        

Answer 1

If you're using .NET Framework 4.0, it's easy:

Environment.Is64BitOperatingSystem

See Environment.Is64BitOperatingSystem Property (MSDN).