Windows 10 IoT Enterprise LTSC 2021 will remain supported until January 2032

Windows 10 IoT Enterprise LTSC 2021 will remain supported until January 2032, even though mainstream Windows 10 editions reach end of support on October 14, 2025.

The end-of-service dates for different versions of Windows 10 can be broadly divided into two categories: mainstream editions and Long-Term Servicing Channel (LTSC) editions.

Mainstream editions (Home, Pro, Enterprise, Education)
All these editions of Windows 10, including Home, Pro, Enterprise, and Education, will reach end of support on October 14, 2025.

It is important to note that this applies specifically to the latest 22H2 release. Earlier releases of Windows 10, such as 21H2 or 21H1, have already reached their end of support. Therefore, users must upgrade to the latest 22H2 version in order to continue receiving updates and support.

After October 14, 2025, Microsoft will no longer provide free security updates, non-security updates, or technical support for these editions of Windows 10. Enterprise and Education customers may choose to purchase the Extended Security Updates (ESU) program to receive paid security updates for up to three additional years.

Windows 10 IoT Enterprise LTSC 2021 will remain supported until January 2032, even though mainstream Windows 10 editions reach end of support on October 14, 2025.

Long-Term Servicing Channel (LTSC) and IoT editions
LTSC editions are designed for specialized devices such as hospital medical equipment or factory automation systems. These editions have longer support lifecycles and typically do not receive new feature updates every year.

Windows 10 Enterprise LTSC 2021: Mainstream support ends on January 12, 2027. It does not have extended support.
Windows 10 IoT Enterprise LTSC 2021: Mainstream support is the same as Enterprise, but extended support continues until January 13, 2032.
Windows 10 Enterprise LTSC 2019: Mainstream support has already ended. Extended support continues until January 9, 2029.
Windows 10 IoT Enterprise LTSC 2019: Mainstream support has already ended. Extended support continues until January 9, 2029.
Windows 10 Enterprise LTSB 2016: Mainstream support has already ended. Extended support continues until October 13, 2026.

In summary, if you are using a mainstream edition such as Windows 10 Home or Pro, the key date to remember is October 14, 2025. If your device is eligible, it is strongly recommended that you start planning an upgrade to Windows 11 to ensure the security of your system and data.

Where does a consumer buy Windows 10 IoT Enterprise LTSC 2021?

Strictly speaking, Windows 10 IoT Enterprise LTSC 2021 is not a consumer product.

Here’s why:

Licensing model:
- It’s designed for OEMs (Original Equipment Manufacturers), embedded device makers, and enterprises.
- Microsoft distributes it mainly through Volume Licensing or authorized distributors (like Advantech, Arrow, or CDW).
- It’s not sold through regular consumer channels like Best Buy or the Microsoft Store.
Target use case:
- For devices that need long-term stability and minimal updates (medical equipment, ATMs, kiosks, industrial PCs).
- Not intended for personal desktops or laptops.
Practical reality:
- Some online resellers (e.g., MyChoiceSoftware, Licendi, or key marketplaces) sell standalone licenses or keys.
- While individuals can buy from these places, it often falls into a gray area — the license may technically not be valid for consumer use, and Microsoft might not provide direct support.
- For businesses or regulated environments, using an unofficial license could create compliance problems.

So yes, a consumer can buy it (from third-party resellers or marketplaces), but it’s not officially marketed or licensed for general consumer use.

If your goal is simply longer support after Windows 10’s Oct 2025 deadline, Microsoft actually expects consumers to move to Windows 11. IoT Enterprise LTSC is really meant for special-purpose devices, not home PCs.