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+# Windows AI Platform Requirements
+
+## Supported Architectures
+
+Windows AI APIs are supported on the following architectures:
+
+| Architecture | Supported |
+|-------------|-----------|
+| **x64** | Yes |
+| **ARM64** | Yes |
+| **x86** | No |
+
+x86 applications will receive `REGDB_E_CLASSNOTREG (0x80040154)` at runtime
+when attempting to call WCR APIs such as `GetReadyState()`. There is no plan
+to add x86 support at this time.
+
+If your application targets x86, you should either:
+- Retarget to x64 or ARM64 to use WCR features.
+- Guard WCR API calls with architecture checks and provide alternative
+  behavior for x86 builds.
+
+## Hardware Requirements
+
+WCR features require **Copilot+ PC** hardware with a Neural Processing Unit
+(NPU). On devices without the required hardware, `GetReadyState()` will return
+`NotSupportedOnCurrentSystem` (see return type [AIReadyState documentation]([url](https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/winrt/microsoft.windows.ai.aifeaturereadystate?view=windows-app-sdk-1.8)) for more info.
+
+## OS Requirements
+
+- Windows 11 with Copilot+ capable hardware
+- Appropriate Windows Update servicing updates installed
+- [AI model packages available via Windows Update](https://learn.microsoft.com/en-us/windows/release-health/ai-components-release-information)
+
+## Ready to Get Started?
+Check out [Get started building an app with Windows AI APIs](https://learn.microsoft.com/en-us/windows/ai/apis/get-started?tabs=winget%2Cwinui%2Cwinui2) on Microsoft Learn.