Windows Validation OS

Windows Validation OS
Version of Microsoft Windows
OS familyWindows 11 (NT 10.0)
Preliminary name
ArchitectureAMD64, ARM64
Latest build10.0.22621.1
Release date
Support end
Based on
Windows 11, version 22H2

Windows Validation OS (or WinVOS) is a minimal Windows 11-based environment intended to be used by Windows device manufacturers as an aid during early design stages. It is similar to Windows Preinstallation Environment in that it runs from a RAM disk and boots into a Command Prompt, although it is considerably more stripped down, leaving the bare essentials needed to bring up the Windows GUI and console.

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