Microsoft accidentally breaks Windows 10 to Windows 11 upgrade using MCT ahead of EOL

Microsoft Accidentally Breaks Windows 10 to Windows 11 Upgrade

Microsoft has inadvertently broken the Windows 11 Media Creation Tool (MCT) ahead of Windows 10's end-of-life (EOL) date.

The MCT, a key tool for upgrading from Windows 10 to Windows 11, no longer functions on Windows 10 PCs. Although workarounds are available, a timeline for a fix has not been provided.

With Windows 10 reaching its EOL on October 14, 2025, users will no longer receive free security updates or bug fixes, making them more vulnerable to security risks.

After this date, if you are still using Windows 10, you will not get any free security updates or bug fixes. Your PC would still work, but it will be more vulnerable to security risks.

As a result, many users are rushing to upgrade to Windows 11, but the broken MCT is hindering this process.

Author's summary: Microsoft breaks Windows 11 upgrade tool ahead of Windows 10 EOL.

more

Windows Latest Windows Latest — 2025-10-12