Microsoft has issued an urgent warning to millions of Windows 10 users worldwide as the Windows 10 Shutdown approaches, with official support for the decade-old operating system ending on October 14, 2025. After this date, Windows 10 devices will no longer receive security updates, feature patches, or technical support, leaving them exposed to increasing cyber threats.
Millions at Risk as Windows 10 Support Ends October 14
“Microsoft will no longer provide security and feature updates and technical support for Windows 10 PCs,” said Yusuf Mehdi, a Microsoft executive, in a company blog post. “While these devices will continue to function, they will become more vulnerable to cyber threats such as malware and viruses.”
More than 40% of all Windows users are still running Windows 10, highlighting the scale of the potential cybersecurity risk caused by the Windows 10 Shutdown. In the United Kingdom alone, consumer group Which? estimates that around five million devices still operate on Windows 10, with many users unaware of the consequences of missing the upgrade deadline.
Rising Cybersecurity Threats for Outdated Systems
Once official support ends, Microsoft will stop issuing the regular security patches that protect computers from emerging online threats. Cybercriminals often target unsupported systems because they can exploit unpatched vulnerabilities. These are security gaps that will no longer be fixed by the developer after the Windows 10 Shutdown.
“Millions of people may be unprepared for the phasing out of Windows 10 next week,” said Lisa Barber, editor at Which?. “If you don’t act, you could become more vulnerable to hackers and scams.”
Without updates, devices are at greater risk of infection from ransomware, phishing attacks, and malware designed to steal personal or financial data. Additionally, many software applications will soon stop supporting Windows 10, further increasing the potential for operational issues and compatibility failures.
Microsoft emphasized that upgrading is an essential part of maintaining security hygiene in the digital age. Mehdi noted that updating to Windows 11 is a “natural part of the lifecycle” that ensures access to new features, performance improvements, and protections against evolving cyber threats.
Upgrade Options and Security Alternatives
Users whose devices meet the system requirements because of Windows 10 Shutdown, can upgrade to Windows 11 for free. Microsoft stated that eligible computers would likely have already received a notification prompting the upgrade. Users can manually check their eligibility by navigating to:
Start > Settings > Update & Security > Windows Update > Check for updates.
However, older hardware may not be compatible with Windows 11. For such devices, Microsoft offers an alternative — the Windows 10 Consumer Extended Security Updates (ESU) program. This paid service provides critical security patches to reduce the risk of malware and other attacks, although it does not include new features, bug fixes, or full technical support.
Cybersecurity experts recommend that users back up their data, disconnect unsupported devices from sensitive networks, and upgrade as soon as possible to minimize risk because of Windows 10 Shutdown. Organizations still running Windows 10 systems should consider migrating to supported platforms or enrolling in ESU to maintain basic protection during the transition period leading up to the Windows 10 Shutdown.
End of an Era for a Decade-Old Operating System
Launched in 2015, Windows 10 marked a major shift in Microsoft’s software strategy, introducing continuous updates instead of traditional version releases. Over its ten-year run, it became one of the most widely adopted operating systems globally, praised for its stability and user-friendly interface.
Now, with technology evolving rapidly, Microsoft is focusing on Windows 11 and cloud-based solutions that offer enhanced security and better integration with artificial intelligence tools. Windows 10 Shutdown support represents both a technological milestone and a reminder of the constant evolution required in cybersecurity.
As the countdown to October 14 continues, Microsoft urges users to take immediate action of Windows 10 Shutdown. Those who fail to update risk running unprotected systems — a growing target for cybercriminals in an increasingly connected world.