How to Find the Windows 11 or Windows 10 Version Number Using the ISO File

Zusammenfassung: Learn how to check what version of Windows 11 or Windows 10 is installed from a Windows ISO file.

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Follow these steps to find the specific version of Windows 11 or Windows 10 that is installed by using a Windows ISO (.iso) file. Windows ISO files are commonly used to install the Windows operating system.

Affected Operating Systems:

  • Windows 11
  • Windows 10

Follow the steps below to determine the specific version of Windows 10 installed by using a Windows 10 ISO file:

  1. Once the Windows 11 or Windows 10 .iso is downloaded, double-click the location of the file to mount it to the drive.
  2. Browse to the location of the iso file and open the Sources folder, then sort the files in the folder by size with the largest file size on top.
  3. Find the Install.*** file. Take note if the file name is either an install.wim, install.swm, or install.esd.
    Looking for the install.*** file in Sources folder of Windows 10 ISO
  4. Take note of the drive letter assigned to the ISO file (for example, the drive letter F: as shown in the example image).
  5. Launch an Admin Command Prompt.
  6. Type the following command that corresponds to the install file type. Replace [X] with the appropriate drive letter where the ISO file is mounted, then press Enter.
    • If install.wim, then type dism /Get-WimInfo /WimFile:[X]:\sources\install.wim /index:1
    • If install.swm, then type dism /Get-WimInfo /WimFile:[X]:\sources\install.swm /index:1
    • If install.esd, then type dism /Get-WimInfo /WimFile:[X]:\sources\install.esd /index:1
  7. The command output identifies a Version number. Document the Version number.
    Example output from Get-WimInfo with a Version number
  8. Go to Windows 11 version historyThis hyperlink is taking you to a website outside of Dell Technologies. or Windows 10 version historyThis hyperlink is taking you to a website outside of Dell Technologies. and search for the version appearing in the Get-WimInfo output (for example, Version 10.0.16251 in the example image output above).
Note: If using the Dell OS Recovery Tool, only complete up to the end of the operating system phase. The ISO file can be found in the Downloads directory under Dell:
Finding the Windows 10 ISO file using the Dell OS Recovery Tool

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Artikeleigenschaften
Artikelnummer: 000113418
Artikeltyp: How To
Zuletzt geändert: 17 Juli 2025
Version:  7
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