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UUP dump

Download UUP files from Windows Update servers with ease.

Dev Channel Windows 11 21H2 Server 21H2 21H2 21H1 20H2 19H2 1809

  Quick options

Release type Description Architectures
Latest Public Release build Latest updated build for regular users.
Latest Release Preview build Reliable builds for previewing the next release.
Ideal for trying out upcoming releases.
Latest Beta Channel build Reliable builds with most upcoming features available.
Ideal for early adopters.
Latest Dev Channel build Somewhat unreliable builds with the latest features.
Ideal for highly technical users.

  Recently added builds

Build Architecture Date added Update ID
Windows 11 Insider Preview Feature Update (26220.7653) amd64x642026-01-18 01:28:27 UTCcaabc9bf-a635-4caf-8b99-d15d0169605e
Windows 11 Insider Preview Feature Update (26220.7653) arm64arm642026-01-17 02:30:53 UTC727719d2-05e1-431a-9ce9-dd4170404d3c
Feature update to Windows 10, version 21H2 (19044.6809) arm64arm642026-01-14 22:58:00 UTC2e78f54c-deea-45ee-a164-f44588abcd9a
Feature update to Windows 10, version 21H2 (19044.6809) x86x862026-01-14 03:58:40 UTCec781577-0ff4-4a01-bcd8-6376492f5929
Feature update to Windows 10, version 21H2 (19044.6809) amd64x642026-01-13 19:05:42 UTCb9c2ee3d-2310-427c-a386-7c04caa66e65
Windows 11 Insider Preview Feature Update (26220.7535) amd64x642026-01-09 19:04:19 UTC7efb0fa8-2acc-43c0-9bae-3d182e99930b
Windows 11 Insider Preview Feature Update (26220.7535) arm64arm642026-01-09 18:29:03 UTCbd0aacd8-17fb-4079-8cec-064fa3ffa643
Windows 11 Insider Preview Feature Update (26220.7523) arm64arm642025-12-19 20:29:39 UTC44306f17-5def-4119-a9d2-21be302fbdb7
Windows 11 Insider Preview Feature Update (26220.7523) amd64x642025-12-19 19:14:31 UTCfd3dd0a1-d44d-4164-aa5a-59a2e8319ae9
Feature update to Windows 10, version 21H2 (19044.6691) amd64x642025-12-13 07:18:51 UTC5d19c7c8-5545-4c39-8a38-6b60154097c8
Feature update to Windows 10, version 21H2 (19044.6691) arm64arm642025-12-13 01:07:47 UTCa36c1569-8490-4a8b-b613-ba5828e4b228
Windows 11 Insider Preview Feature Update (26220.7344) arm64arm642025-12-10 05:41:54 UTCd6465898-2ba0-4fd9-9216-d02ddcaf3b3d
Feature update to Windows 10, version 21H2 (19044.6691) x86x862025-12-09 19:07:55 UTCb13ef660-1639-4a04-ad66-65a06d48b575
Windows 11 Insider Preview Feature Update (26220.7344) amd64x642025-12-08 06:59:42 UTC27f3da62-5704-4fbe-9356-c433ea4606b2
Windows 11 Insider Preview Feature Update (26220.7271) arm64arm642025-11-22 03:57:54 UTCbb4dd58f-1620-4d18-9caf-77c9fd4a629d

UUP dump v3.45.0 (API v1.32.0) © 2026 whatever127 and contributors. This project is not affiliated with Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation.