How to download Windows 10 20H2 ISO after 21H1 releases

You can still download the Windows 10 20H2 ISO after version 21H1 becomes available to perform a clean install or rollback to the previous version.

When a new version of Windows 10 releases, an updated version of the Media Creation Tool and Update Assistant becomes available to upgrade devices to the most current version of the operating system, making it impossible to use the tool to downgrade if that is something you need to do.

If you need to rollback, you can usually use the recovery option to uninstall an upgrade, but the option is only available for the first ten days, and sometimes it does not even work. However, if you must install an older version of Windows 10, you can use “Rufus” to download the Windows 10 20H2 ISO file after version 21H1 is generally available.

Rufus is a well-known free third-party tool that you can use to create a USB flash drive to install the operating system. But unlike the Media Creation Tool, this tool includes an option to download the ISO file and prepare a bootable media using an older version of Windows 10.

In this guide, you will learn the steps to use Rufus to download the ISO file and create a USB to install Windows 10 20H2 after version 21H1 releases.

Download Windows 10 20H2 ISO after 21H1 releases

To download the Windows 10 20H2 ISO file after version 21H1 is available, use these steps:

  1. Open Rufus’ website.

  2. Under the “Download” section, click the download link for the latest version.

  3. Double-click the file to launch the tool.

  4. Click the Settings button (third button from the left) at the bottom of the page.

    Rufus settings option
    Rufus settings option
  5. Under the “Settings” section, use the “Check for updates” drop-down menu and select the Daily option.

    Rufus enable updates
    Rufus enable updates
  6. Click the Close button.

  7. Click the Close button again.

  8. Open Rufus again.

  9. (Optional) Under the “Device” section, use the drop-down menu, and select the USB drive to create the installation media.

    Quick tip: You do not need to connect a USB flash drive if you only want to download the ISO file.
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  10. Under the “Boot selection” section, use the drop-down menu, and select the Disk or ISO image option.

  11. Click the down-arrow button on the right side, and select the Download option.

    Rufus Windows 10 ISO download option
    Rufus Windows 10 ISO download option
  12. Click the Download button.

  13. Select the Windows 10 option.

  14. Click the Continue button.

  15. Under the “Release” section, select the 20H2 (Build 19042.xxx – 2020.12) option to download the Windows 10 version 20H2 ISO file.

    Rufus download Windows 10 20H2 ISO
    Rufus download Windows 10 20H2 ISO
  16. Click the Continue button.

  17. Select the Windows 10 Home/Pro option.

  18. Click the Continue button.

  19. Select the language of Windows 10 20H2.

  20. Click the Continue button.

  21. Select the operating system architecture (x64 or x86). (Usually, you want to select the x64 option.)

  22. Click the Download button.

  23. Select the location to save the Windows 10 20H2 ISO file.

  24. Click the Save button.

  25. (Optional) If you connected a USB flash drive, continue with the default settings after the download.

  26. Click the Start button.

  27. Click the OK button.

Once you complete the steps, you can use the ISO file to install Windows 10 20H2 using a clean or in-place upgrade installation. (See also the video tutorial on how to download an ISO file for older releases of Windows 10.)

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