Windows 10 build 19042.508

Windows 10 build 19042.508 is the official RTM build of Windows 10 October 2020 Update. It was released on 8 September 2020 to all Insiders that are in the Beta Channel, then to the Release Preview Channel on 18 September 2020.

Changes

 * Security updates to Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Windows Cloud Infrastructure, Windows Fundamentals, Windows Management, Windows Kernel, Windows Virtualization, Windows Storage and Filesystems, and the Microsoft JET Database Engine.
 * Bug fixes listed in the official announcement.