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I have a Microsoft Store app built with WinUI 3 and the Windows App SDK 1.0.0, built on a Windows 11 machine. When attempting to install the bundle on a Windows 10 machine, the Installer fails on insufficient compatibility since

  • the package requires OS version 10.0.22000.0,
  • the device runs on version 10.0.19044.1766.

however, I set both the desktop project and package to target 10.0.22000.0 but support OS version back to 10.0.17763.0.

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Both reference the Microsoft.Windows.SDK.BuildTools 10.0.22000.196.

Beltway
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  • There is no problem with the version,How did you package the program? you can try [Windows-app-sdk-1.1.1](https://learn.microsoft.com/en-us/windows/apps/windows-app-sdk/release-channels) – Junjie Zhu - MSFT Jun 30 '22 at 09:41
  • @JunjieZhu-MSFT I'm bundling through Project->Publish->Create App Packages and then set for sideloading with a custom certificate. Targeting the SDK with 1.1.1 is currently not an option as it "requires WinRT.Runtime.dll version 1.6 or greater", which if I'm not mistaken requires .NET 6 (migrating is currently not possible). – Beltway Jun 30 '22 at 11:01

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