Windows 10 build 18327.1

Windows 10 build 18327.1 is a build of Windows 10 May 2019 Update. A Preinstallation Environment based on this build was released on 5 February 2019 as a part of a preview version of the Assessment and Deployment Kit, although the full build was never officially released via the Windows Insider Program.

A screenshot of this build's Pro SKU in the English language was posted to the BetaWiki Discord server by lucasm, but was later removed. The full build was then uploaded in the Arabic language on 4 July 2022, followed by the British English variant on 10 July 2022.