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Windows Server Builds - Server 2025, 2022 & LTSC

Track Windows Server builds across LTSC and the Annual Channel, including Windows Server 2025 (26100) and Server 2022. Monitor cumulative updates, hotpatch baselines, and Insider previews.

Latest Windows Server Builds

Version lines: 2025 · 2022 · 2019

Cumulative Update for Windows Server 2019 (1809) (17763.9247) · v17763.9247 · 2026-09-14T17:44:09+00:00
Cumulative Update for Windows Server 2019 (1809) (17763.9245) · v17763.9245 · 2026-09-10T05:31:56+00:00
Windows Server Insider Preview 29659.1000 (rs_flight) · v29659.1000 · 2026-09-09T17:00:11+00:00
Windows Server 2025 (26100.33438) · v26100.33438 · 2026-09-08T17:03:09+00:00
Windows Server Insider Preview 29651.1000 (rs_flight) · v29651.1000 · 2026-08-24T17:00:10+00:00

The interactive tracker — with filters, search, and AI-generated build summaries — requires JavaScript and replaces this list when it loads.

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