Downloaded Windows 10 to Install on Computer Running Windows 7. Why won't it run

The error code 0x80072F8F typically indicates an issue related to the system's clock settings or SSL certificate trust issues. Here are some steps you can take to resolve this problem:

1. Check Date and Time Settings: Ensure that your computer's date, time, and time zone settings are correct. An incorrect clock can cause SSL negotiation failures.
2. Update Windows: Make sure that your Windows 7 installation is fully updated. Sometimes, missing updates can lead to compatibility issues with newer tools.
3. Run the Tool as Administrator: Right-click on the Media Creation Tool and select "Run as administrator" to ensure it has the necessary permissions to execute.
4. Disable Security Software: Temporarily disable any antivirus or firewall software that might be blocking the tool from running.
5. Try a Different Network: If possible, try running the tool on a different internet connection to rule out network-related issues.
6. Use an ISO File: If the Media Creation Tool continues to fail, consider downloading the Windows 10 ISO file directly from the Microsoft website and creating a bootable USB drive to install Windows 10.

If these steps do not resolve the issue, you may need to contact Microsoft support for further assistance.

References:

• Troubleshoot Windows Update error 0x80072f8f

Hello, thank you for reaching out to Microsoft Q&A.

Support for Windows 10 ended on 14 October 2025. Microsoft no longer provides software updates, security patches, or technical assistance for Windows 10 devices.

For this reason, installing Windows 10 on your PC is not recommended. If your device no longer supports Windows 11, the best option would be to switch to or upgrade to a device that can run the latest version of Windows 11.

See Windows 10 End of Support.

https://www.microsoft.com/en-us/windows/end-of-support