Windows 10X

Windows 10X was planned to be an operating system made for dual-screen devices, based on Windows 10. It was deleted on May 19, 2021 after an official announcement made by Microsoft.

Pre-Public Preview

 * 10.0.19529.1000
 * 10.0.19531.0
 * 10.0.19540.0
 * 10.0.19561.0

Public Preview

 * 10.0.19563.rs_prerelease.200206-1533
 * 10.0.19578.rs_prerelease.200302-1634