Microsoft Windows end of life
We provide guidance on managing Windows operating systems that have reached, or are approaching, end-of-life. Cortec assists businesses in planning transitions to supported platforms as Microsoft phases out support for older versions. We offer various services tailored to each of our client’s requirements, including assessments, upgrade planning, and implementation. Our goal at Cortec is to help businesses in Kent maintain a robust and secure IT infrastructure by proactively addressing end-of-life issues.
Windows 10 support ended on 14 October 2025
Microsoft ended support for Windows 10 on 14 October 2025. Any Windows 10 machine still in use without Extended Security Updates now receives no security patches, no bug fixes and no technical support from Microsoft. Every vulnerability discovered since that date remains open on those devices — a risk that grows each month, and one that increasingly affects compliance obligations and cyber insurance cover as well as security.
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Your options now:
- Upgrade to Windows 11. Still free for devices that meet Microsoft’s hardware requirements. You can check eligibility with the PC Health Check tool.
- Replace ageing hardware. Machines that fail the Windows 11 check are usually old enough that replacement costs less than working around them.
- Extended Security Updates (ESU) as a bridge. Businesses can buy ESU for up to three years, through to 14 October 2028. It is priced per device and the cost doubles each year, and if you enrol late you pay for the earlier years too — so it is a way to buy time for a planned migration, not a way to avoid one.
- ESU at no extra cost through Azure. If your desktops run on Windows 365, Azure Virtual Desktop or Azure VMs, ESU is included in the subscription.
Home users have a separate consumer ESU programme running to 12 October 2027, free if you enable PC settings sync.
What Does This Mean for You?
As your trusted IT partner, Cortec IT is here to help you navigate this transition smoothly. To ensure the ongoing security and efficiency of your systems, we recommend planning an upgrade path to a supported operating system well in advance.
How We Can Help: Our team assists our clients in evaluating their current infrastructure, recommending suitable upgrades, and creating a timeline that minimises disruption to your operations. Whether it’s upgrading to Windows 11 or exploring other solutions, we’re committed to making this transition as seamless as possible.
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Windows end of life