Windows 10 build 19042.423

Windows 10 build 19042.423 is the fourth Insider Preview of Windows 10 October 2020 Update. It was released on 31 July 2020 to all Insiders that are in the Beta Channel as a re-release of build 19042.421 that brings 20H2 to parity with the servicing of the May 2020 Update.