Security updates, optimizations, and other minor updates or patches are released every month thereafter. These updates contain new features, services, and other major changes. On the other hand, Windows 10 devices in the Semi-Annual Channel receive twice-yearly feature updates. Each release is supported with security updates for 10 years after its release, and intentionally receive no feature updates. Enterprise LTSC (Long-Term Servicing Channel) is a long-term support version of Windows 10 Enterprise released every 2 to 3 years.
