Windows 10 Latest version updates
Monthly quality updates
A quick summary of our monthly quality update types:
At times referred to as our “B” release, Update Tuesday (most often referred to as Patch Tuesday) updates are published the second Tuesday of each month. These updates are the primary and most important of all the monthly update events and are the only regular releases that include new security fixes.
An out-of-band release is any update that does not follow the standard release schedule. These are reserved for situations where devices must be updated immediately either to fix security vulnerabilities or to solve a quality issues impacting many devices.
The “C” and “D” releases occur the third and fourth weeks of the month, respectively. These preview releases contain only non-security updates, and are intended to provide visibility and testing of the planned non-security fixes targeted for the next month’s Update Tuesday release. These updates are then shipped as part of the following month’s “B” or Update Tuesday release.
What's new for Windows 10, version 21H2, Windows 10, version 21H1, Windows 10, version 20H2, and Windows 10, version 2004 release notes
Microsoft Update lists:
Windows 10 Version | OS Builds | KB | Release Date:
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Windows 10 version 21H2 and 21H1 (Out-of-band) | 19042.1767, 19043.1767, and 19044.1767 | KB5016139 | June 20, 2022 |
Windows 10 version 21H2 21H1 &Windows Server, version 20H2. | 19042.1766, 19043.1766, and 19044.1766 | KB5014699 | June 14, 2022 |
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Windows 10 Version | OS Builds | KB | Release Date:
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OS Builds 19042.1645, 19043.1645, and 19044.1645 | 19042.1645, 19043.1645, and 19044.1645 | KB5012599 | April 12, 2022 |
Windows 10 version 21H2, 21H1 & 20H2 | 19042.1620, 19043.1620, and 19044.1620 - Preview | KB5011543 | March 22, 2022 |
Windows 10 version 21H2 – 10.0.19044.1586 | 19044.1586 | KB5011487 | March 8, 2022 |
Windows 10 version 21H1 – 10.0.19043.1586 | 19043.1586 | KB5011487 | March 8, 2022 |
Windows 10 version 20H2 – 10.0.19042.1586 | 19042.1586 | KB5011487 | March 8, 2022 |
Windows 10 version 21H2 – 10.0.19044.1566 (Preview) | 19044.1566 | February 15, 2022 | |
Windows 10 version 21H1 – 10.0.19043.1566 (Preview) | 9043.1566 | KB5010415 | February 15, 2022 |
Windows 10 version 20H2 – 10.0.19042.1566 (Preview) | 19042.1566 | KB5010415 | February 15, 2022 |
Windows 10 version 21H2 – 10.0.19044.1526
| 19044.1526 | KB5010342 | February 8, 2022 |
Windows 10 version 21H1 – 10.0.19043.1526 | 19043.1526 | KB5010342 | February 8, 2022 |
Windows 10 version 20H2 – 10.0.19042.1526 | 19042.1526 | KB5010342 | February 8, 2022 |
Windows 10 version 21H2 – 10.0.19044.1503 (Preview) | 19044.1503 | January 25, 2022 | |
Windows 10 version 21H1 – 10.0.19043.1503 (Preview) | 19043.1503 | KB5009596 | January 25, 2022 |
Windows 10 version 20H2 – 10.0.19042.1503 (Preview) | 19042.1503 | KB5009596 | January 25, 2022 |
Windows 10 version 21H2 – 10.0.19044.1466 | 19044.1469 | KB5010793 | January 17, 2022 |
Windows 10 version 21H1 – 10.0.19043.1466 | 19043.1469 | KB5010793 | January 17, 2022 |
Windows 10 version 20H2 – 10.0.19042.1466 | 19042.1469 | KB5010793 | January 17, 2022 |
Windows 10 version 21H2 – 10.0.19044.1466 | 19044.1466 | January 11, 2022 | |
Windows 10 version 21H1 – 10.0.19043.1466 | 19043.1466 | KB5009543 | January 11, 2022 |
Windows 10 version 20H2 – 10.0.19042.1466 | 19042.1466 | KB5009543 | January 11, 2022 |
Windows 10 version 20H2 – 10.0.19042.1466 | 19042.1466 | KB5009543 | January 11, 2022 |