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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