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This article applies to Copilot+ PCs only. |
Introduction
The Phi Silica AI component is a Transformer-based local language model. As Microsofts most powerful neural processing unit (NPU)-tuned local language model, Phi Silica is optimized for efficiency and performance on Windows Copilot+ PCs while still offering many of the capabilities found in Large Language Models (LLMs).
Summary
This Phi Silica update is a new release for the Phi Silica AI component for Windows 11, version 24H2.
How to get this update
Windows Update
This update will be downloaded and installed automatically from Windows Update.
Prerequisites
You must have the latest cumulative update for Windows 11, version 24H2 installed.
Replacement information
This update does not replace any previously released update. This is a new release.
Check update history
To determine whether this update is present on the device, go to Settings > Windows Update > Update history.
After this update is installed, you should find the following update listed in Update history:
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2025-04 Phi Silica version 1.7.824.0 for Arm64-based systems (KB5058688)
References
Description of the standard terminology that is used to describe Microsoft software updates
