Can I get version 2004 update when version 20H2 was released?
From:
soft.com/en-us/windows/release-information/status-windows-10-20h2
"Current status as of October 20, 2020
Windows 10, version 20H2 is available for users with devices running Windows 10, versions 1903 and higher who manually seek to “Check for updates” via Windows Update. The recommended servicing status is Semi-Annual Channel.
Note We are slowly throttling up availability over the coming weeks to ensure a reliable download experience. As a result, the update may not be offered to you right away. For more details, see How to get the Windows 10 October 2020 Update."