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 primary method for Windows 10 users to upgrade to Windows 11, no longer works on Windows 10 PCs. Although workarounds are available, a timeline for a fix has not been provided.

With Windows 10 officially reaching its end-of-life on October 14, 2025, users will no longer receive free security updates or bug fixes, making their PCs 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.

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

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Windows Latest Windows Latest — 2025-10-12