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.

Microsoft is officially ending Windows 10 support on October 14, and if you plan on staying on the OS, there's one crucial way to extend its life.

Microsoft has released the KB5051974 cumulative update for Windows 10 22H2 and Windows 10 21H2, which automatically installs the new Outlook for Windows app and fixes a memory leak bug.