By using System Information msinfo or msinfo32.exe tool

If you are not sure which version of Windows that you are running or whether it is a 32-bit version or 64-bit version, open System Information (msinfo32.exe), and review the value that is listed for System Type. To do this, follow these steps:

  1. Click Start, and then click Run, or click Start Search.
  2.  Type msinfo32.exe (or just msinfo) and then press ENTER.

  3.  In System Information, review the value for System Type.
    • For 32-bit editions of Windows, the System Type value is x86-based PC.

    • For 64-bit editions of Windows, the System Type value is x64-based PC.

By using the system command

if you run the msconfg tool. You'll see in the "Tools" tab another option to get the system info.

Find the "System properties" option, click it and then hit the "Launch" button.

  

Of course you can also run the command directly like:

C:\WINDOWS\System32\control.exe system

The result:

  

By using Windows Management Instrumentation Command-line (WMIC) tool

This information can be retrieved also from the Windows command line by using the Windows Management Instrumentation Command-line (WMIC) tool. To use this tool, open a command prompt window, type wmic os get OSArchitecture command at the command prompt and then hit Enter. Look at the following example:

By using systeminfo command

To get a system architecture by using systeminfo command, do as the following example: