It's the second Tuesday of the month, which means it's Patch Tuesday time again. As such, today, Microsoft is rolling out the monthly security update (also called "B release") for April 2025 on Windows Server 20H2 and Windows 10 for the latest supported versions, 20H2, 21H2, and 22H2.
The new updates are being distributed under KB5055518, bumping up the builds to 19044.5737 and 19045.5737. You can find standalone links to download the new update on the Microsoft Update Catalog at this link.
The major highlight of the release is security patches.
Highlights
- This update addresses security issues for your Windows operating system.
This release has no known issues, which is very rare.
Some of the older Windows 10 versions have also received updates today, which have been listed below with their respective release notes (KB) linked as well as links to download them at Microsoft's Update Catalog:
| Version | KB | Build | Download | Support |
|---|---|---|---|---|
| 1809 |
17763.7136 |
Update Catalog | Long-Term Servicing Channel (LTSC) | |
| 1607 |
14393.7969 |
Update Catalog | ||
| 1507 |
10240.20979 |
Update Catalog |
It is noteworthy that Windows 10 20H2 and Windows 10 1909 reached the end of servicing. Non-LTSC editions of 21H2 have also reached the end of servicing.
Update, April 10 2025, 1.55 EST: Microsoft has released Windows 10 version 1507 (Windows 10 2015 update) after a delay. You can find it in the table above.
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