If your system is compatible and hasn't moved past this version, you may see "Feature update to Windows 10, version 2004" listed with a link. 2. Official Media Creation Tool & ISOs
Since Microsoft primarily offers the most recent version of Windows 10 (currently 22H2) on its official pages, downloading the older 2004 version requires specific methods: Download Windows 10 Disc Image (ISO File) - Microsoft windows 10 2004 download