If your business is still running Windows 10, you're now operating without a safety net. Microsoft ended support for Windows 10 in October 2025, which means no more security updates, no more bug fixes, and no more protection against newly discovered vulnerabilities. For businesses that haven't migrated, the risk grows with every passing month.
What "End of Support" Actually Means
When Microsoft ends support for an operating system, it stops releasing security patches for it. This is different from a feature freeze — it means newly discovered vulnerabilities will never be fixed. As security researchers and attackers continue to find flaws in Windows 10, those flaws remain permanently exploitable.
The practical impact:
- No security updates — known and future vulnerabilities go unpatched
- No bug fixes — stability and compatibility issues are never addressed
- No technical support — Microsoft won't help with problems on unsupported systems
- Growing risk over time — the longer you run Windows 10, the more known vulnerabilities accumulate
Why This Matters for Your Business
Running an unsupported operating system is one of the highest-risk decisions a business can make. Here's why:
Security Vulnerabilities Go Unpatched
Every month, Microsoft patches dozens of vulnerabilities in Windows — including critical zero-days like the August 2026 afd.sys kernel flaw. On Windows 10, those patches simply don't arrive. Attackers know this and actively target unsupported systems because they're easy prey.
Compliance and Insurance Problems
Many compliance frameworks — including HIPAA, PCI, and cyber insurance requirements — now explicitly require supported operating systems. Running Windows 10 can:
- Fail compliance audits for regulated industries
- Jeopardize cyber insurance coverage — carriers increasingly ask about OS support status
- Break client contracts that require security standards
Ransomware and Malware Risk
Unsupported systems are a favorite target for ransomware. With no patches, attackers can use known exploits that would be blocked on a supported system. A single unpatched Windows 10 machine on your network can be the entry point for an attack that spreads to everything else.
Your Migration Options
The good news: there are clear paths forward. The right one depends on your hardware, your budget, and your needs.
Option 1: Upgrade to Windows 11
If your hardware supports it, upgrading to Windows 11 is the most straightforward path. Windows 11 is the current supported version and will receive security updates for years to come. Microsoft's upgrade tool can check whether your devices are compatible.
Considerations: Windows 11 has stricter hardware requirements — notably TPM 2.0 and newer processors. Older machines may not qualify and will need to be replaced.
Option 2: Replace Aging Hardware
If your Windows 10 machines are more than a few years old, they may not support Windows 11 — and even if they do, they may be nearing the end of their useful life. Replacing aging hardware with new Windows 11 devices is often the most cost-effective long-term solution, especially when you factor in the productivity and reliability gains.
Option 3: Extended Security Updates (ESU)
For businesses that need more time, Microsoft offers Extended Security Updates for Windows 10 — paid security patches for up to three years after end of support. This is a stopgap, not a permanent solution, but it buys time for a planned migration.
Considerations: ESU is a per-device cost that increases each year, and it doesn't restore full support — only security updates.
How to Plan Your Migration
A successful migration isn't just about installing a new OS. Here's a practical approach:
- Inventory your devices — identify every Windows 10 machine and its hardware specs
- Check Windows 11 compatibility — use Microsoft's PC Health Check tool to see which devices qualify
- Prioritize by risk — migrate the most critical and most exposed systems first
- Back up everything — ensure all data is backed up and restorable before any migration
- Test in a pilot group — validate that your critical applications work on Windows 11 before a full rollout
- Plan for data migration — ensure files, settings, and applications transfer cleanly
- Decommission or secure unsupported devices — any machine that can't be upgraded should be isolated or replaced
The Cost of Waiting
Every month you wait, the risk compounds. A single unpatched vulnerability on a Windows 10 machine can lead to a ransomware attack, a data breach, or a compliance failure — any of which can cost far more than the migration itself. The businesses that recover from attacks aren't the ones with the biggest budgets; they're the ones with a plan they've actually executed.
The Bottom Line
Windows 10 support has ended, and the risk of running it grows every day. Whether you upgrade to Windows 11, replace aging hardware, or use Extended Security Updates as a bridge, the important thing is to have a plan and execute it.
At Virtue Technology Solutions, we help SMBs plan and execute IT migrations — from hardware assessment and compatibility checks to data migration and post-migration support. We handle the heavy lifting so your business stays secure and productive.
Ready to move off Windows 10? Contact Virtue Technology Solutions for a no-pressure consultation.