As part of the roadmap for , this build lays the groundwork for expanded AI capabilities. Experts at Go-EUC note that while these AI-driven features may slightly increase the performance footprint, they are expected to bring significantly more automation to daily tasks. Key Fixes and Known Issues

: Building on the Copilot+ foundation, this version focuses on making AI features more privacy-conscious and deeply integrated into daily workflows. Technical Context and Installation

Some users may experience authentication failures in Microsoft Teams Free or issues accessing the C: drive in specific virtual environments. For a full list of resolved and ongoing issues, refer to the Microsoft Learn release health dashboard .

Released in , build 10.0.26220.7070 was distributed to the Dev and Beta Channels via the KB5066383 enablement update . Because version 25H2 is delivered as an enablement package over the previous 24H2 version, it updates the system build number from 26100 to 26220 . Specification OS Family Windows 11 (NT 10.0) Build Number Revision Release Date November 7, 2025 Lab Source ge_release_svc_betaflt_prod1 Architecture AMD64, ARM64 Key Features and Changes in Version 25H2

Note that Microsoft has temporarily disabled the StorageProvider API integration for cloud providers and recommendation features in File Explorer while they undergo further refinement. How to Get Build 26220.7070