Installing Windows 10 21H2 using ISO files: a complete guide

Want to install Windows 10 21H2 with ISO files? This article provides detailed steps, also applicable to upgrading to Windows 10 21H2 or installing other Windows versions.

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Install Windows 10 21H2 via ISO file

There are many ways to install Windows 10 21H2, such as online upgrade via "Settings > Update & Security > Windows Update", or in-place upgrade using the Windows 10 Media Creation Tool. If you have downloaded Windows 10 21H2 ISO files, you can install or upgrade directly using the ISO files.

Step 1: Download Windows 10 21H2 ISO file

First, you need to get the Windows 10 21H2 ISO file. The following two methods are reliable and effective:

1. Create ISO files using the Windows 10 21H2 Media Creation Tool.

2. Join the Windows Insider program and visit the Windows Insider Preview Download page to download the Windows 10 21H2 Insider Preview ISO file.

Step 2: Install Windows 10 21H2 using ISO files

1. Double-click the downloaded Windows 10 21H2 ISO file to load it. You can also right-click the ISO file and select "Load" to load.

2. Select and run the setup.exe file.

3. The installer will start the preparation process and then enter the Windows 10 installation interface. By default, updates, drivers, and optional features are downloaded. If you don't want to do this, click the "Change how Windows Installer downloads updates" link and select "No now".

4. Next are the license terms, click "Accept" to continue.

5. The system starts checking for updates, and click "Next" after completion.

6. Now ready to install Windows 10 21H2. By default, personal files and applications are retained. If you only want to keep personal files or delete all content, click the "Change retained content" link and select the appropriate option. Be sure to back up your data in advance before selecting "Delete All Content".

7. Click "Next".

8. The Windows 10 installation process begins, and the computer may restart multiple times during this period. The whole process takes some time, please be patient.

9. If you choose to get updates, you will see the update progress after the Windows 10 21H2 installation is complete.

10. Before entering the desktop, you need to select the privacy settings of the device and click "Accept". After that, you can see the desktop.

Through the above steps, you can easily install Windows 10 21H2 using ISO files. If you have any questions or suggestions, please let us know in the comments.

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