Windows 11 LTSC explained: The OS when you need stability above all
Formerly known as the Long-Term Servicing Branch (LTSB), Windows' Long-Term Servicing Channel (LTSC) is designed for mission-critical, highly regulated, or restricted environments, allowing companies to maintain a stable, feature-locked OS for years.
By Taryn Plumb and Gregg Keizer
Feb 4, 2026 8 mins
MicrosoftSmall and Medium BusinessWindows