https://wccftech.com/windows-10-update-kb5001391-preview-is-out/

Image: Drew Angerer / AFP / GETTY Images

Windows 10 20H2 and 2004 have both received builds 19041.964 and 19042.964. April 2021 preview "C" release Windows 10 update is now available for both October 2020 Update and May 2020 Update. Earlier today, Microsoft also confirmed the final build of the upcoming Windows 10 version 21H1 and released a new build for it.