A Quick Tip To Check Operating System Architecture

by [Published on 30 Nov. 2010 / Last Updated on 31 Oct. 2009]

This tip explains how you can check Operating System architecture on a computer running Windows Operating System.

You can install either 32-bit or 64-bit Operating System on a 64-bit Hardware. You check whether you are running a 32-bit or 64-bit Operating Systems by following steps outlined below:

Method 1 - Checking using the command line


  • Log on to computer.
  • Go to Command Prompt
  • Type "SET Processor" (without double quotes)
  • You will see the output similar to below:

Method 2 - Checking using the registry:


  • Go to Registry Editor
  • Navigate to the following location:
  • HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
  • In Right Pane, you will see a regitry entry; PROCESSOR_ARCHITECTURE. This entry stores either x86 or x64.


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The Author — Nirmal Sharma

Nirmal Sharma avatar

Nirmal Sharma is a MCSEx3, MCITP and was awarded the Microsoft MVP award in Directory Services and Windows Networking. He specializes in Microsoft Azure, Office 365, Directory Services, Failover Clusters, Hyper-V, PowerShell Scripting and System Center products. Nirmal has been involved with Microsoft Technologies since 1994. In his spare time, he likes to help others and share some of his knowledge by writing tips and articles on various sites and contributing to PowerShell-based Dynamic Packs for www.ITDynamicPacks.Net solutions.

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