Windows 10 Enterprise LTSC 2019

Windows 10 Enterprise LTSC 2019

Windows 10 Enterprise LTSC 2019 is the Long-Term Servicing Channel build of Windows 10 Enterprise based on the Windows 10 1809 codebase, released in November 2018. It is a specialised edition designed for deployments that must remain stable for years without feature updates — the preferred choice for kiosks, point-of-sale terminals, industrial controllers, medical devices, and any managed environment where a fixed OS version is a compliance or operational requirement.

What LTSC means

LTSC stands for Long-Term Servicing Channel. Unlike standard Windows 10 Enterprise, which receives new features twice a year, LTSC 2019 receives no feature updates for the duration of its support lifecycle — only monthly security patches and critical fixes. This keeps the OS at a fixed, predictable state.

• Released: November 2018 (based on Windows 10 1809)
• Mainstream support: ended January 9, 2024
• Extended support: active until January 9, 2029
• Total supported lifetime: 10 years from release
• Feature updates: none by design
• Architecture: 32-bit and 64-bit editions available
• Microsoft Edge (Chromium): not included (added from LTSC 2021 onwards)

Enterprise-exclusive features included

• AppLocker — restricts which applications users can run, based on publisher, path, or hash rules. Prevents unauthorised software installation across the fleet.
• Credential Guard — uses virtualisation-based security (VBS) to isolate domain credentials, making pass-the-hash and pass-the-ticket attacks significantly harder.
• DirectAccess — gives remote workers seamless, always-on connectivity to corporate resources without manual VPN sessions.
• Windows Defender Application Guard (WDAG) — opens untrusted websites and files in an isolated Hyper-V container, containing any threat before it reaches the host OS.
• BranchCache — caches content from remote servers at branch offices, reducing WAN bandwidth consumption.
• Windows Update for Business (WUfB) — lets IT defer and schedule quality updates centrally, avoiding disruptive auto-restarts.

LTSC 2019 vs standard Windows 10 Enterprise

LTSC 2019 vs LTSC 2021

Support lifecycle

Windows 10 Enterprise LTSC 2019 is currently in extended support, which runs until January 9, 2029. Mainstream support ended on January 9, 2024 — this means Microsoft no longer delivers non-security updates or new features, but continues to issue monthly security patches until January 2029. No Extended Security Update (ESU) subscription is required to remain covered during this extended support period.

If you are planning a new deployment, consider Windows 10 Enterprise LTSC 2021, which has mainstream support active until October 2026 and extended support through October 2031.

Decision matrix

Frequently asked questions

What does LTSC mean?
LTSC stands for Long-Term Servicing Channel. It is a specialised Windows 10 Enterprise build that receives only security and critical patches — no new features, no twice-yearly feature updates. This makes it ideal for environments where OS stability over many years matters more than access to new Windows capabilities.

Is Windows 10 Enterprise LTSC 2019 still supported?
Yes — LTSC 2019 is currently in extended support, which runs until January 9, 2029. Mainstream support ended in January 2024, so Microsoft no longer delivers non-security updates. Monthly security patches continue until 2029. No ESU subscription is required.

Does LTSC 2019 receive feature updates?
No — by design. Feature updates are deliberately excluded from the LTSC channel. You receive monthly security patches and critical fixes, but the OS feature set remains frozen at the Windows 10 1809 baseline for the entire support lifecycle.

What is the difference between LTSC 2019 and LTSC 2021?
LTSC 2021 is based on Windows 10 21H2 (released October 2021) and includes Microsoft Edge Chromium. LTSC 2019 is based on Windows 10 1809 (released November 2018) and does not include Edge Chromium. LTSC 2021 also has a longer remaining support window. For new deployments, LTSC 2021 is the recommended choice.

Is LTSC 2019 available in 32-bit?
Yes. Unlike LTSC 2021 (which is 64-bit only), Windows 10 Enterprise LTSC 2019 is available in both 32-bit and 64-bit editions. If your hardware supports 64-bit, the 64-bit edition is recommended for better performance and memory addressing.

Does LTSC 2019 include Microsoft Edge?
No. Windows 10 Enterprise LTSC 2019 does not include Microsoft Edge (Chromium). Edge Chromium was introduced in LTSC 2021. If Edge is a requirement, LTSC 2021 is the appropriate choice.

Does LTSC 2019 include Microsoft Teams?
No. The pre-installed consumer Teams application is not bundled with any LTSC edition, including LTSC 2019.

Is this a one-time purchase?
Yes. This is a perpetual digital licence — you pay once and own the right to use Windows 10 Enterprise LTSC 2019 with no ongoing subscription.