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Using Windows 10 after its official end-of-support date on October 14, 2025, is a significant security risk. After this date, Microsoft will no longer release free security updates to fix new vulnerabilities discovered in the operating system. While it is true that Microsoft Defender will continue to receive malware definitions (updates to its list of known viruses) until at least 2028, this is not a complete solution. This distinction is critical: Defender can block known malware but cannot fix the underlying security holes in the Windows 10 code, which hackers will actively target.
Relying solely on Defender is like having a strong lock on a door with broken hinges. Attackers will simply bypass the lock (Defender) by exploiting the unpatched flaws in the operating system (the hinges) to gain access to your system. Beyond the OS-level risks, third-party software manufacturers will also stop supporting Windows 10. This means crucial applications like web browsers (Google Chrome, Firefox), as well as new hardware drivers and programs like Microsoft 365, will no longer receive updates, opening even more avenues for attack and causing compatibility issues.
Answer accepted by question author
The best course of action is to upgrade to a supported version of Windows, such as Windows 11 or the latest Windows 10 update, to ensure ongoing security, compatibility, and access to new features. If upgrading isn't immediately possible, maintaining robust security practices and considering alternative protective measures is crucial.
AI answer
Using Windows 10 after its official end-of-support date on October 14, 2025, poses significant security risks. After this date, Microsoft will stop providing free security updates, which means that any new vulnerabilities in the operating system will not be patched. While Microsoft Defender will continue to receive malware definitions until at least 2028, it will not address the underlying security flaws in Windows 10 itself. This creates a scenario where attackers can exploit these unpatched vulnerabilities, effectively bypassing the protection offered by Defender.
Additionally, third-party software manufacturers are likely to cease support for Windows 10, which includes critical applications such as web browsers and productivity software like Microsoft 365. This lack of updates can lead to compatibility issues and further expose users to security threats.
For a more secure experience, it is highly recommended that users transition to Windows 11 or consider enrolling in the Extended Security Updates (ESU) program if they choose to continue using Windows 10 beyond its end-of-support date.
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Hi Judith,
You can still enroll your device in the ESU (Extended Security Updates) program, which provides security updates until October 13, 2026. Initially, this program was intended only for enterprises, but it was later made available to home users as well. If your device meets the program’s prerequisites, you may be able to enroll at no cost. See this article for more details.
