Let’s be honest, transitioning from Windows 10 to Windows 11 is a tough move that many users aren’t ready for. And that’s understandable. Windows 10 remains a comprehensive, secure, and robust operating system. However, as we’re about to explain, its time is running out.
October 14, 2025, marks a critical date for millions of users worldwide: Microsoft will cease technical support and security updates for Windows 10. After this date, computers running the operating system will continue to function, but they will become increasingly vulnerable to exploits, cyberattacks, and security flaws without any official fix.
This is a significant announcement: it’s estimated that nearly 647 million people still use Windows 10, representing approximately 46% of all Windows devices. Although Microsoft is actively promoting migration to Windows 11, not all devices meet the technical requirements (such as TPM 2.0 or new-generation processors). This means millions of users may continue running Windows 10 even after its official end-of-life cycle. Given this scenario, a critical question arises: How can you protect your computer when Microsoft stops releasing security patches?
What End of Support Really Means
When an operating system reaches its “end-of-life,” it stops receiving updates. In practice, this means:
- No Security Patches: Any vulnerability discovered after October 14, 2025, will remain unaddressed indefinitely, putting all Windows 10 users at risk.
- Increased Attractiveness for Attackers: Cybercriminals know that millions of computers without official protection will still be connected to the internet, making them prime targets.
- Reduced Compatibility: Programs, web browsers, and peripherals will gradually stop being compatible with Windows 10.
While some users may be able to sign up for the Extended Security Updates (ESU) program until October 2026, this solution won’t be available to everyone and doesn’t cover the same levels of defense as standard support.
In short, the end of Microsoft’s support for Windows 10 doesn’t mean your PC will stop working overnight; it just means its security will be left vulnerable and your data will be more exposed.
The Scale of the Problem: Millions of Exposed Users
Windows 10 remains incredibly popular globally. According to StatCounter statistics, more than 53% of desktop computers were using it in 2024, and by August 2025, almost half of all Windows users were still running it.
Translating these figures to the Windows user base—which is around 1.4 billion devices—we are talking about roughly 647 million PCs that will still be operating on Windows 10 once October 14, 2025, arrives.
This makes the end of support a global security concern: millions of computers without official updates represent a massive target for attackers, who will be able to exploit known vulnerabilities without patches being available.
The Risks of Sticking with an Unsupported System
Staying on Windows 10 after the deadline might seem like the easiest option if your system is running fine, but it carries significant risks:
- Exposure to Malware and Ransomware: Without updates, any discovered flaw can become a gateway for attacks that encrypt your files or steal sensitive information.
- Online Fraud and Identity Theft: Outdated browsers and programs increase the risk of falling victim to phishing or internet scams.
- Loss of Compatibility: New software versions will gradually cease to install or function correctly on Windows 10.
- Risk to Businesses and Home Users: Everyone, from large corporations to individuals checking their online bank accounts on their home PCs, will face the same vulnerability.
In practical terms, with every month that passes after October 14, 2025, your computer will become an easier target for cybercriminals.
Available Options for Windows 10 Users
Facing the end of support from Microsoft, users have several alternatives:
- Upgrade to Windows 11: If your device meets the requirements, this is the most secure path. Windows 11 includes advanced security technologies like Secure Boot, virtualization, and enhanced identity protection.
- Purchase a New Device: If your current PC doesn’t meet the Windows 11 requirements, replacing the hardware is an option. Although it requires a significant investment, it guarantees long-term security and compatibility.
- Use the ESU Program (Extended Security Updates): Microsoft will offer an extra year of security patches for specific users, but it’s not available in all regions and doesn’t cover all vulnerabilities.
- Strengthen Security with External Protection Tools like Avast: If you decide to keep running Windows 10, installing a reliable antivirus is essential to add a layer of defense against malware and emerging threats.
It is at this last point that Avast Free Antivirus plays a fundamental role.
Avast Free Antivirus: Your Best Ally After the End of Support
While no antivirus can entirely replace Microsoft’s updates, Avast Free Antivirus can provide an additional layer of offers a robust defense that can make a huge difference for those who remain on Windows 10.
- Proactive Protection: Avast detects and blocks malware, spyware, ransomware, and phishing attacks in real time, even when cybercriminals try to exploit known vulnerabilities.
- Constant Updates: The Avast engine receives frequent virus definition updates, allowing it to identify new threats daily, without depending on Microsoft’s support.
- Lightweight and Accessible: As it is free and has moderate resource consumption, Avast is an ideal option for older computers that don’t meet Windows 11 requirements.
- Additional Features: It includes Wi-Fi network scanning, web protection, behavior shields, and other tools that help close common security gaps.
Ultimately, while it doesn’t replace official Microsoft support, Avast Free Antivirus adds an essential security layer that can significantly reduce the risks of continuing to use Windows 10 after October 2025.
How to Prepare for the Future with Avast Free Antivirus
If you plan to stick with Windows 10 past 2025, we recommend following these steps:
- Install Avast Free Antivirus and activate real-time protection.
- Keep your software updated: This includes browsers, applications, and programs that still receive support.
- Perform regular backups to protect your most important data against ransomware or system failures.
- Be cautious online: Avoid suspicious links, fraudulent emails, and unverified downloads.
- Evaluate long-term migration: Although Avast can prolong your PC’s security, planning a move to an updated operating system is the most advisable course of action.
Conclusion: Don’t Leave Your Security to Chance
The end of Windows 10 support on October 14, 2025, is an event that can’t be ignored. With over 600 million users affected, the risk of mass attacks will be higher than ever.
While the best option remains upgrading to Windows 11 or a new device, those who choose to stay on Windows 10 will need to significantly boost their security. In this scenario, Avast Free Antivirus can help strengthen defenses stands as a reliable, free, and effective ally to remain protected against cybercriminals and their malware, providing an additional layer of protection once Windows 10 stops receiving updates.
Your computer will keep running after the end of support, but your security will depend on the steps you take. Don’t wait until the last minute: prepare today and install Avast Free Antivirus to browse safely in an increasingly dangerous environment.
