Note
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Important
In the future, an app that uses Windows AI APIs will need to be granted package identity at runtime. For details of how to grant that, see Advantages and disadvantages of packaging your app. If you are seeing an UnauthorizedAccessException error (or having other access issues), ensure that your app is packaged and the systemAIModels capability was added to your manifest file (see Get started building an app with Windows AI APIs).
It's not possible to run a self-contained app from the Downloads folder (or from anywhere under the
C:\Usersfolder). For more details, see Advantages and disadvantages of packaging your app and Windows App SDK deployment overview.If you are having trouble, first try running an API on your Copilot+ PC using the AI Dev Gallery app. If this fails, verify that you have the required models installed on your machine by going to System > AI Components in the Settings app. Entries for each AI model will be listed. If the required AI model is not listed, check to ensure that you have the correct branch selected.
The Windows App SDK experimental channel includes APIs and features in early stages of development. All APIs in the experimental channel are subject to extensive revisions and breaking changes and may be removed from subsequent releases at any time. Experimental features are not supported for use in production environments and apps that use them cannot be published to the Microsoft Store.
Provide feedback on these APIs and their functionality by creating a new Issue in the Windows App SDK GitHub repo (include Phi Silica in the title) or by responding to an existing issue.