C# - Environment.Is64BitOperatingSystem Property with Example

In this tutorial, we will learn about the C# Environment.Is64BitOperatingSystem property with its definition, usage, syntax, and example. By Nidhi Last updated : March 30, 2023

Environment.Is64BitOperatingSystem Property

The Environment.Is64BitOperatingSystem property returns a boolean value, if OS is 64-bit then it returns true, otherwise it returns false.


bool Environment.Is64BitOperatingSystem


  • None

Return Value

A bool value.

C# Example of Environment.Is64BitOperatingSystem Property

The source code to check whether running Operating System is 64-bit OS or not using Environment class is given below. The given program is compiled and executed successfully.

using System;

class Sample
    //Entry point of Program
    static public void Main()
        bool isBit64OS = false;
        isBit64OS = Environment.Is64BitOperatingSystem;

        if (isBit64OS == true)
            Console.WriteLine("OS is based 64-bit architecture");
            Console.WriteLine("OS is not based 64-bit architecture");


OS is not based 64-bit architecture
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C# Environment Class Programs »

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