Resolved a signing-in bug affecting Outlook , Word , and Teams .

This report outlines the technical specifications and improvements of the custom build, based on official OS Build 22621.607 (KB5017389), released on September 22, 2022 . Core Build Information

Fixed an issue where apps not signed by the Microsoft Store required reinstallation after an OS upgrade.

Repaired defects causing processor hindrance and improved the Windows Search service indexing speed.

Fixed a bug causing inconsistent static IP configurations via NetworkAdapterConfiguration() .

As a Pro edition of the 22H2 branch, the base system includes: Windows 11 22621.607 update adds new fixes to system

This specific build was originally pushed to the Release Preview Channel and later as a stable update to resolve critical system bugs.

This typically refers to a modified, "stripped-down" ISO (similar to projects like Tiny11 ) where telemetry, bloatware, and non-essential system services are removed to improve performance on low-end hardware. Key Improvements in Build 22621.607

Windows 11 22H2 Pro Lite (22621.607) Multi Sep ...