Windows 10 End of Support: What to Do Now

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Windows 10 reached end of support on 14 October 2025. Your PCs will still switch on and run, but Microsoft no longer provides free security updates, bug fixes or technical support for them. Every new vulnerability found since then can stay open on those devices.

If your office still runs Windows 10, you have a decision to make. This guide explains what end of support means, why an outdated OS is a business risk, and your options, from upgrading to Windows 11 to moving to a supported alternative.

What Does Windows 10 End of Support Mean?

End of support, often called Windows 10 end of life, means Microsoft has stopped maintaining the product for regular users. Windows 10 will not stop working, and your files will stay where they are. The change is that the operating system no longer gets regular fixes.

No free security updates — New vulnerabilities are not patched unless the device is enrolled in a paid or registered update programme.

No bug fixes — Problems found in Windows 10 remain unfixed.

No technical support — Microsoft will not help with Windows 10 issues.

Growing software gaps — Over time, new apps and hardware drivers may stop supporting it.

Key Architectural Takeaways

Windows 10 PCs keep working after 14 October 2025, but they no longer receive regular security updates.
The risk grows over time, as each new vulnerability stays unpatched.

Why an Outdated OS Is a Business Risk

Attackers actively look for systems that no longer receive patches. One unpatched laptop can give them a way into your network, your email and your customer data.

Malware and ransomware — Known flaws stay open, so attacks are easier to carry out.

Data exposure — Client records and financial files on old systems are harder to protect.

Compliance questions — Clients and auditors often ask whether your systems are supported.

Downtime — An infected or failing PC can stop work across a team.

Unsupported devices also weaken the rest of your defences. Our guides on endpoint security and business network security explain how one weak device can affect the whole office.

Key Architectural Takeaways

One unsupported device can become the entry point to your whole network.
Antivirus alone does not replace operating system security updates.

Your Options After Windows 10

Most businesses have three practical paths, plus Extended Security Updates as a short-term bridge. Use this table to compare them:

Option	Best For	What to Consider
Upgrade to Windows 11	PCs that meet the hardware requirements	Free upgrade for eligible Windows 10 PCs; test your business apps first
Replace the hardware	Older PCs that cannot run Windows 11	Higher upfront cost, but better speed, security and warranty cover
Move to an alternative OS	Web-based work, servers or older PCs	Linux and other supported systems work well if your software runs on them
Extended Security Updates (ESU)	Short-term cover while you plan a move	Temporary security fixes only, with no new features or support

Option 1: Upgrade to Windows 11

Windows 11 is the most direct path for most offices. It is a more secure, modern and supported platform, and it keeps your teams on the Windows apps they already use. Your PC must meet Microsoft's minimum requirements:

Component	Windows 11 Minimum Requirement
Processor	1 GHz or faster, 64-bit, with 2 or more cores, on a compatible processor
Memory	4 GB RAM
Storage	64 GB or larger
Firmware	UEFI with Secure Boot capability
Security chip	TPM version 2.0
Graphics	DirectX 12 compatible with a WDDM 2.0 driver
Display	720p, larger than 9 inches

Key Architectural Takeaways

Check compatibility with Microsoft's PC Health Check app before you plan the upgrade.
TPM 2.0 and Secure Boot are the requirements older PCs most often miss.

Option 2: Explore an Alternative OS

If a PC cannot run Windows 11, it does not always need replacing. Linux distributions such as Ubuntu and Linux Mint are actively supported and run well on older hardware.

This works best for browser-based work, reception desks, kiosks and servers. Before you switch, confirm that your accounting software, printers and other business tools work on the new system. Your team may also need some training.

What About Extended Security Updates?

Extended Security Updates (ESU) give Windows 10 PCs critical and important security fixes for a limited time. They do not add features or include technical support, so treat ESU as a bridge rather than a long-term plan.

Home users — The Consumer ESU programme runs until 12 October 2027. It cannot be used on business-managed PCs, such as domain-joined or MDM-managed devices.

Businesses — Commercial ESU is sold per device for up to 3 years, until October 2028. Microsoft's list price starts at USD 61 per device for Year 1 and doubles each year. Year 2, which began in October 2026, costs USD 122 per device.

For many businesses, that rising cost is a good reason to spend the budget on a permanent upgrade instead.

Key Architectural Takeaways

ESU buys time, but it does not solve the problem.
Commercial ESU costs double each year, so a planned upgrade usually makes more sense.

How to Plan Your Move in 6 Steps

List every device — Record each PC, its Windows version and who uses it.

Check compatibility — Find out which PCs can run Windows 11 and which cannot.

Test your business apps — Confirm that accounting, ERP, printers and other tools work on the new OS.

Back up your data — Take a full backup and test that you can restore it.

Upgrade in batches — Start with a small group, fix any issues, then roll out to everyone.

Use genuine licences — Keep your OS licences valid and turn on automatic updates.

Key Architectural Takeaways

Start with higher-risk devices that handle client data, finance records or remote access.
A phased rollout avoids disruption to daily work.

Frequently Asked Questions

Microsoft ended support for Windows 10 on 14 October 2025.

Yes. Your PC will still work, but without regular security updates it becomes more exposed to malware and other cyber threats.

The upgrade is free for eligible Windows 10 PCs that meet the minimum hardware requirements. You can check for it in Windows Update.

You can replace the PC, move it to a supported alternative such as Linux, or use Extended Security Updates for a limited time.

No. Antivirus helps, but it cannot fix security flaws in the operating system itself. Those need updates from Microsoft.

No. The Consumer ESU programme is not for business-managed devices. Businesses need Commercial ESU, which is sold per device.

Conclusion

Windows 10 end of support is not a crisis on day one, but the risk increases with every month you wait. List your devices, check what can run Windows 11 and choose a supported path for the rest. Stay secure and stay updated.

Security Assessment

Need Help Moving Off Windows 10?

Exelon Circuits, an ISO 27001:2022 certified company, helps businesses in Mangaluru, Udupi and across India with genuine OS licences, upgrade and migration assistance, and deployment of supported operating systems. Talk to our team today: +91 73494 31090 or contactus@exeloncircuits.com.

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Sources:

Microsoft — End of support for Windows 10•Microsoft — Windows 10 Consumer Extended Security Updates•Microsoft — Windows 11 specifications•Redmondmag — Windows 10 ESU pricing