Microsoft has announced that Windows 10, version 2004 has been added to the broad deployment channel. Microsoft officially started rolling out Windows 10 2004 (aka the Windows 10 May 2020 Update) in May 2020. Microsoft says that it’s throttling up availability over the coming weeks to ensure a reliable download experience. Windows 10 20H2 available for seekeers with older versions of Windows 10 1909 and 1903 are reaching the end of service on May 11, 2021, Microsoft is now allowing a limited set of customers (with devices running Windows 10 1903 and higher) to upgrade to the latest released version.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-2004-now-in-broad-deployment-available-to-everyone/