Integration with OneDrive to display online-only files in search results.
For users already on version 1903, 1909 was delivered as a small "enablement package" that activated dormant features with a single restart. Official Download Methods Download Windows 10 X64 1909 Iso
Microsoft typically only offers the most recent version of Windows 10 on its public download pages. However, there are still official channels to obtain the 1909 ISO: Integration with OneDrive to display online-only files in