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Friday, February 4, 2022

How to determine if application is 32-bit or 64-bit Windows 10+

Windows software developers denote x86 stands for 32-bit program and x64 stands 64-bit programs. The 64-bit version of the program is usually denoted by suffixing 64 or x64 with the filename — e.g., PlainTextClipbpard.exe vs. PlainTextClipbpard.exe. In some cases, the bitness notation may be missing, and you may be wondering if the executable is 32-bit or 64-bit.

To check if your current running program is 32-bit or 64-bit; 

  1. Open Task Manager and select the Details tab in Windows10+
  2. Right-click on the column header and click Select columns. The column header is the row that has the caption for each column, such as Image Name, PID, Status etc. 
  3. Enable the Platform checkbox and click OK. It will indicate if programs is 32-bit or 64-bit.
  4. Also recommend click command line to get path/location on disk to the file running exe.



To determine and individual file or dll use sigcheck from the command line; 

sigcheck c:\windows\system32\notepad.exe

returns

Sigcheck v2.82 - File version and signature viewer
Copyright (C) 2004-2021 Mark Russinovich
Sysinternals - www.sysinternals.com

c:\windows\system32\notepad.exe:
        Verified:       Signed
        Signing date:   12:48 AM 10-Jul-15
        Publisher:      Microsoft Windows
        Company:        Microsoft Corporation
        Description:    Notepad
        Product:        Microsoft® Windows® Operating System
        Prod version:   6.1.7601.18917
        File version:   6.1.7601.18917 (win7sp1_gdr.150709-0600)
        MachineType:    64-bit

Download for free - Sigcheck - Windows Sysinternals | Microsoft Docs

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