Windows 10: A guide to the updates

On May 18, Microsoft announced the availability of Windows 10 version 21H1, known as the May 2021 Update. But the launch of a major Windows 10 update isn’t the end of a process — it’s really just the beginning. As soon as one of Microsoft’s twice-yearly feature updates is released, the company quickly gets to work on improving it by fixing bugs, releasing security patches, and occasionally adding new features.

In this story we summarize what you need to know about each update released to the public for the most recent versions of Windows 10 — versions 2004, 20H2, and 21H1. (Microsoft releases updates for those three versions together.) For each build, we’ve included the date of its initial release and a link to Microsoft’s announcement about it. The most recent updates appear first.

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