# Windows 10 after the end: ESU, LTSC, or replace the machine

> Windows 10 support ended on 2025-10-14. The three real routes for the machines still on it, what ESU does and does not include, and when the SSD matters more than the OS.

**Tested on**

- Build: 26300.9457 / 26100.33650
- Edition: Pro (26H2) / Server
- Architecture: x64
- Evidence: E1
- Verified: 2026-10-29

## The short answer

Windows 10 Home, Pro, Enterprise and Education reached end of support on **2025-10-14**. Version 22H2 was the last release; there will be no 23H2.

That leaves three honest routes, and one that people take but should not:

| Route | Runs until | Cost | Best for |
|---|---|---|---|
| **ESU** (Extended Security Updates) | consumer programme to **2027-10-12** | free (MSA) / points / ~$30 | machines that must keep working for another year |
| **LTSC 2021** (clean install) | 2027-01-12 | licence + reinstall | fixed-purpose devices, not desktops |
| **IoT Enterprise LTSC 2021** | **2032-01-13** | OEM/volume channel only | kiosks, industrial, appliances |
| **Upgrade to Windows 11 or replace** | depends on hardware | licence / new hardware | anything that fails the TPM 2.0 + CPU floor |
| ~~"bypass" install on unsupported hardware~~ | unsupported | free | nobody — see below |

## What ESU actually buys you

ESU is **security updates only**, for critical and important vulnerabilities. It does not include:

- new features,
- non-security fixes,
- general technical support,
- driver updates.

On a consumer device, enrolment is tied to signing in with a Microsoft account (settings sync), or 1000 Microsoft Rewards points, or a one-off payment of about US$30 that covers up to 10 devices. Microsoft has extended the consumer programme to **2027-10-12** — it was originally one year, to 2026-10-13.

> **Caution: Check the date on your own device, not in an article**
>
> ESU dates have changed once already. The authoritative answer for your machine is what Windows Update shows under **Settings → Windows Update → Windows 10 has reached end of support → Enroll now**, plus the current Microsoft ESU documentation. Any blog quoting a date is a snapshot.

```powershell
# what am I actually running, and is ESU enrolled?
Get-ComputerInfo | Select-Object WindowsProductName,WindowsVersion,OsBuildNumber
Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' | Select-Object ProductName,DisplayVersion
```

## LTSC: legal, and usually the wrong tool

LTSC is not a "lighter Windows for gamers". It is a **long-life servicing channel for fixed-purpose devices** — ATMs, industrial controllers, medical equipment. Microsoft says so explicitly, and the licensing runs through volume/OEM channels, not retail.

| | Windows 10 Enterprise LTSC 2021 | Windows 10 IoT Enterprise LTSC 2021 |
|---|---|---|
| End of support | **2027-01-12** | **2032-01-13** |
| Licensing | volume | OEM / volume |
| Written for | fixed-purpose devices | fixed-purpose devices |
| Store / consumer apps | minimal by design | minimal by design |
| Edge | included | included |

Two claims worth correcting, because they circulate widely:

- **"LTSC has no Edge / no browser."** It ships with Edge. What it lacks is the consumer app set and the feature churn.
- **"LTSC is zero telemetry."** It collects less than consumer editions, but security and diagnostic data still flow. "No tracking at all" is not a documented configuration.

> **Danger: Do not buy a PC with a pre-installed LTSC image**
>
> Images from marketplaces are frequently modified, pre-activated, or built from leaked media. That is both a licensing problem and an integrity problem — you cannot tell what else was changed. LTSC is a legitimate product you licence properly, not a download.

## The hardware is the real bottleneck

The uncomfortable part: on a machine with a spinning disk and 4GB of RAM, changing the OS does not change the experience. Windows 10 → LTSC saves background work; it does not make a 5400rpm drive seek faster.

Order of return on a 2015-era desktop:

1. **SSD** — largest single improvement, by a wide margin.
2. **RAM to 8GB** — stops the paging thrash.
3. **Clean install of a supported OS** — removes years of accumulated startup debt.
4. **New machine** — when the CPU has no modern instruction support and the platform has no TPM 2.0.

An SSD plus Windows 11 (where the hardware qualifies) beats LTSC on the same hardware for most people. See [buying guide](https://winbook.fyi/en/windows/start/buying-guide/) and [when to replace the machine](https://winbook.fyi/en/hardware/diag/lifecycle-replace/).

## Why "bypass" installs are a bad trade

Registry edits and patched installers can put Windows 11 on unsupported CPUs. What you keep: a working desktop. What you lose:

- **update eligibility** — Microsoft does not guarantee feature updates or security fixes on unsupported configurations;
- **support** — no OEM or Microsoft support path;
- **stability** — drivers for unsupported platforms are not validated against the newer kernel;
- **the honest upgrade story** — the machine is one bad update away from an unbootable state with no vendor to call.

For a lab VM, a bypass is a fine experiment. For a machine someone depends on, it is a loan against future time.

## A decision sequence that works

1. Run `winver` and note the build. Confirm you are on 22H2.
2. Run **PC Health Check** to see exactly which requirement fails (TPM 2.0, Secure Boot, CPU generation).
3. If only TPM is missing and the board has a header: a TPM 2.0 module is cheap and is the legitimate fix.
4. If the CPU is below the supported list: the decision is ESU (buy a year) or replace (buy a machine), not a bypass.
5. Whatever you choose: **back up first**, and export the BitLocker recovery key if the machine is encrypted.

```powershell
# the two checks that decide everything
Get-Tpm | Select-Object TpmPresent,TpmReady,SpecVersion
Get-CimInstance Win32_Processor | Select-Object Name,NumberOfCores,MaxClockSpeed
Confirm-SecureBootUEFI -ErrorAction SilentlyContinue
```

## Related

- [Which Windows 11? 26H2, 25H2, LTSC and ARM64](https://winbook.fyi/en/windows/start/versions/)
- [Windows 11 LTSC 2024: who it is for](https://winbook.fyi/en/windows/start/ltsc/)
- [Retire and wipe a machine](https://winbook.fyi/en/hardware/diag/retire-wipe/)

## Lab boundary

E1. All lifecycle dates on this page were checked against Microsoft's lifecycle product pages on 2026-10-29. The ESU enrolment flow was not exercised in this lab: the lab VMs run Windows 11, not Windows 10.

## Sources

- [Microsoft Learn — Windows 10 Home and Pro lifecycle](https://learn.microsoft.com/en-us/lifecycle/products/windows-10-home-and-pro)
- [Microsoft Learn — Windows 10 IoT Enterprise LTSC 2021 lifecycle](https://learn.microsoft.com/en-us/lifecycle/products/windows-10-iot-enterprise-ltsc-2021)
- [Microsoft Learn — Windows lifecycle FAQ](https://learn.microsoft.com/en-us/lifecycle/faq/windows)
- [Microsoft Learn — Long-Term Servicing Channel (LTSC)](https://learn.microsoft.com/en-us/windows/whats-new/ltsc/)

---

Source: https://winbook.fyi/en/windows/start/win10-eol-esu/