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Short answer: Your PC will usually keep starting after Windows support ends, but Microsoft will stop delivering operating-system security fixes. Check the Windows version, test Windows 11 compatibility, back up your files, and then either upgrade for free, replace the computer, or use eligible consumer Extended Security Updates (ESU) as a temporary bridge.
What it means when Windows stops receiving security updates
An unsupported Windows installation does not normally shut down or lock you out. Existing programs and files can continue to work, and the computer can still connect to the internet. The change is that Microsoft no longer supplies the operating-system updates that correct newly discovered vulnerabilities, reliability defects, and other supported fixes.
That creates a growing security gap. Attackers can exploit weaknesses after Microsoft has stopped publishing patches for the affected Windows release. Microsoft describes an unsupported computer as being at greater risk from viruses and malware. Antivirus software, a firewall, and careful browsing can reduce some risks, but none of them replaces security updates for Windows itself.
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What should you do first?
1. Confirm the Windows version and edition
Open Settings > System > About on a Windows 10 or Windows 11 computer and note the Windows edition and version. On older systems, open the Start menu, type winver, and press Enter. Record the version number before deciding whether the device is affected, because upgrade and ESU eligibility are version-specific.
2. Check whether the PC can run Windows 11
Use Microsoft’s PC Health Check app or compare the computer with the current Windows 11 system requirements. Windows Update can also display an upgrade offer when an eligible Windows 10 installation is detected. A failed check can reflect a hardware or configuration requirement; it is not proof that a particular component can be replaced economically. Microsoft recommends asking the computer manufacturer or a qualified local technician whether a change is possible.
3. Make a backup before changing anything
Back up documents, photos, browser data, and any work files before an upgrade, clean installation, or replacement. Windows Backup with OneDrive can transfer files, photos, settings, and some app information. An external hard drive or USB key provides another way to copy files. Open several backed-up files on another device or after copying them to verify that the backup is usable.
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Choose the path that matches hardware eligibility, how quickly you need a supported computer, your budget, and whether the machine is managed by an employer or school.
| Option | Who can use it | Support result | Cost stated by Microsoft | Migration effort |
|---|---|---|---|---|
| Upgrade to Windows 11 | Eligible personal Windows 10 Home or Pro PCs that meet Windows 11 requirements | Moves the computer to a supported Windows release | Free for an eligible Windows 10-to-11 upgrade, moving to the equivalent edition | Back up first; check applications, peripherals, and available storage |
| Buy a Windows 11 PC | People whose hardware is incompatible, unreliable, or no longer suitable | Provides a new supported installation when correctly configured | Purchase price varies by computer and configuration | Transfer files and settings; reinstall applications as required |
| Consumer Windows 10 ESU | Eligible personal-use Windows 10 version 22H2 devices in supported markets | Critical and important security updates through October 12, 2027 | No additional cost with settings sync, 1,000 Microsoft Rewards points, or a one-time USD $30 payment plus applicable tax; regional terms vary | Smallest immediate change, but it is only a temporary security bridge |
| Organization IT or commercial ESU | Work, school, and other organization-managed computers | Determined by the organization’s licensing and security plan | Not stated for consumer use; ask the administrator | Follow the organization’s approved process |
If your PC is eligible for Windows 11
Start the supported upgrade
- Save your backup and connect the computer to reliable power.
- Install pending Windows 10 updates, restart, and check Settings > Update & Security > Windows Update for a Windows 11 offer.
- If Windows Update does not show the offer, run PC Health Check and review the specific requirement that prevents or delays eligibility.
- Read the upgrade screen for edition, language, storage, and restart information, then start the installation when you can leave the computer unattended.
- After the first Windows 11 sign-in, run Windows Update again, reinstall or update essential applications, and test printers, scanners, displays, accessibility tools, and other peripherals.
Microsoft says the free upgrade applies to eligible Windows 10 Home and Pro PCs and keeps the equivalent edition. The exact time required depends on the computer, connection, storage, and update history. Do not begin immediately before travel, a deadline, or a critical presentation.
Check applications and devices
List the programs you use for work, school, accounting, media, or accessibility before upgrading. Confirm that each publisher supports Windows 11 and that you still have the installer, license, and sign-in details. Also check specialized hardware such as older printers, scanners, audio interfaces, card readers, and security keys. A PC can pass the Windows 11 check while a legacy peripheral still needs a newer driver or replacement.
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If your PC cannot run Windows 11
Replace it when you need normal, long-term support
Microsoft identifies a new Windows 11 computer as the normal path for a device that cannot meet Windows 11 requirements. Choose the machine by workload rather than by the Windows logo alone:
- Performance: Match processor, memory, and storage to your applications, multitasking, photo or video work, and local data.
- Portability: A laptop may be preferable for travel, while a desktop can offer easier repairs or expansion.
- Accessibility: Check screen size, keyboard layout, touch input, speech tools, magnification, ports, and compatibility with assistive equipment.
- Peripherals: Count the USB, display, audio, network, and card-reader connections your existing equipment requires.
- Data migration: Confirm how files, browser profiles, email, password managers, and licensed applications will move before disposing of the old computer.
An eligible Windows 10 PC should not be replaced solely because Windows 10 support ended; the free Windows 11 upgrade may be sufficient. Replacement makes more sense when the hardware fails compatibility checks, is unreliable, cannot handle the workload, or would require costly changes.
Do not treat an unofficial installation as a guaranteed fix
Changing hardware or using an unsupported installation method can create driver, update, warranty, and recovery problems. Microsoft directs users to the manufacturer or a local hardware expert when a compatibility change might be possible. If the computer remains outside Microsoft’s supported requirements, it should not be described as a fully supported Windows 11 system.
Using consumer Extended Security Updates as a bridge
Who is eligible
Microsoft’s current consumer ESU guidance covers eligible personal-use Windows 10 version 22H2 devices in most markets where Windows is available to individuals. Organization-managed computers and devices covered by enterprise licensing programs are excluded from this consumer enrollment route.
Enrollment choices and end date
On an eligible computer, use the built-in ESU enrollment tool in Settings. Microsoft lists three enrollment methods: sync PC settings at no additional cost, redeem 1,000 Microsoft Rewards points, or make a one-time payment of USD $30 or the local-currency equivalent plus applicable tax. Options, timing, and availability can differ by region, including the European Economic Area.
Microsoft’s current guidance says ESU security updates continue until October 12, 2027 regardless of the enrollment date. An enrolled license can be used on up to 10 devices. Check the enrollment screen and the local Microsoft terms before paying or assuming that a particular option is available.
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What ESU includes and excludes
ESU supplies critical and important security updates only. It does not add new Windows features, provide customer-requested non-security fixes, or restore ordinary Windows technical support. Microsoft provides assistance for ESU activation and installation, but that is narrower than normal product support.
ESU is therefore useful when you need time to save money, obtain a replacement, or schedule a migration. It is not a permanent way to keep an incompatible computer on the normal Windows support cycle.
How to move your files to a new installation or PC
- Inventory the old computer: Identify user accounts, documents, photos, desktop folders, browser bookmarks, email archives, application data, and license keys.
- Back up in two places when the files are important: Use Windows Backup with OneDrive, an external drive, or a USB key. Keep one copy disconnected from the old PC after the backup completes.
- Prepare account access: Confirm Microsoft account credentials, multifactor authentication, recovery codes, email passwords, and password-manager access before signing out of the old device.
- Set up the supported Windows computer: Install Windows updates first, then restore files and settings from the backup.
- Reinstall applications: A manual Windows installation or replacement may require fresh installers, activation, and configuration. Do not assume every application or setting transfers automatically.
- Verify the result: Open representative files, test printing and other peripherals, check browser bookmarks, and confirm that cloud synchronization has completed.
- Retire the old PC safely: After verifying the new setup, sign out of accounts and securely erase personal data before recycling or transferring the device.
Microsoft 365 and Office do not change the Windows support status
Microsoft says Microsoft 365 Apps can continue to function on Windows 10, with security updates for those apps stated to continue through October 10, 2028. That date applies to the applications, not to Windows 10 itself. The operating system remains without its normal security updates after October 14, 2025, so continued access to Microsoft 365 is not a reason to postpone a supported Windows move indefinitely.
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Security precautions while you transition
- Install every update that is still offered for your current Windows version and for your browsers, applications, router, and other connected devices.
- Use a standard user account for everyday work when practical, and reserve administrator access for installations and system changes.
- Keep reliable backups disconnected or protected against accidental deletion and ransomware.
- Use unique passwords and multifactor authentication for email, cloud storage, banking, and administrator accounts.
- Avoid installing software from unknown sources and be cautious with unexpected attachments, links, and urgent payment requests.
- Do not present antivirus as a replacement for operating-system updates. It can help detect some threats, but it cannot patch Windows vulnerabilities.
These measures reduce exposure during a transition; they do not turn an unsupported Windows installation into a supported one.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to do with a work or school computer
Do not enroll an organization-managed or enterprise-licensed computer in consumer ESU based on the personal-use rules. Contact the organization’s IT administrator instead. Commercial ESU, device replacement, application compatibility, data retention, and network controls may follow a different contract and timetable. The administrator may also need to approve backups, upgrades, or transfers because company data can be subject to retention and security policies.
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Common situations and the right response
The PC still works and passes the Windows 11 check
Back up first, then use the Windows Update upgrade path. Test the applications and peripherals you depend on after the upgrade.
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The PC works but fails Windows 11 compatibility
Use consumer ESU only if the device is personal-use Windows 10 version 22H2 and the enrollment offer is available to you. Plan a replacement before October 12, 2027 rather than treating ESU as a permanent solution.
The PC is slow, unreliable, or has failing storage
Prioritize a verified backup and replacement. Spending money on repairs solely to prolong an unsupported operating system may cost more than moving to a supported Windows 11 computer.
You cannot find an ESU enrollment option
Confirm that the PC runs Windows 10 version 22H2, is for personal use, and is not organization-managed. Regional availability and enrollment terms can change; consult the current Microsoft instructions rather than paying an unrelated third party.
A concise decision checklist
- Identify the Windows edition and version.
- Confirm the applicable end-of-support date.
- Back up and verify important files.
- Run PC Health Check or review Windows 11 requirements.
- Upgrade for free if the Windows 10 Home or Pro PC is eligible.
- If it is incompatible, compare replacement cost and migration needs.
- If you need more time, verify consumer ESU eligibility and its regional enrollment terms.
- Ask IT about any work or school device.
- Keep applications, browsers, accounts, and backups protected during the transition.
A Windows computer that no longer receives security updates is still usable, but it is no longer receiving the protection that supported Windows releases provide. The safest long-term outcome is a supported Windows 11 installation, reached through a verified upgrade or a planned replacement; consumer ESU is a limited bridge for eligible personal Windows 10 version 22H2 devices.
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