Here's what you need to know about each update to the current version of Windows 10 as it's released from Microsoft. Now updated for KB5066188 Out-of-band, released on Aug. 19, 2025.

If you’re not ready to upgrade, you can still get security updates until October 2026 by enrolling in Microsoft’s ESU program.

Today's optional cumulative update (KB5061087) is an optional non-security preview update that allows Windows administrators to test fixes and improvements released with the upcoming July 2025 ...

Microsoft's offer to extend Windows 10 security updates for free is now live.