Source: wikibot/windows-10-version-21h1
= Windows 10, version 21H1
{wiki=Windows_10,_version_21H1}
Windows 10, version 21H1, also known as the May 2021 Update, is one of the feature updates for the Windows 10 operating system. It was released by Microsoft in May 2021 as part of the regular semi-annual update cycle for Windows 10.