Microsoft.vclibs.x64.appx ~upd~ -

If you build a C++ UWP app in Visual Studio, the build output may reference or generate this dependency. For distribution through the Store, the runtime is automatically handled—but for local testing, you need it.

In this post, we’ll break down what this file is, why it exists, and how to handle it when it goes missing.

For end users, the cleanest approach is to let the handle it. If that fails, search for Microsoft.VCLibs.x64.14.00.appx from a project that legally redistributes it (like the Files app on GitHub). microsoft.vclibs.x64.appx

: Many modern Windows applications, including Windows Terminal and WinGet , cannot run without it.

In simple terms, , repackaged as an .appx bundle. If you build a C++ UWP app in

Add-AppxPackage -Path "C:\path\to\main.appxbundle"

: If you install an app via the Microsoft Store, Windows usually handles the installation of this package automatically. For end users, the cleanest approach is to let the handle it

If you distribute a C++ UWP app the Microsoft Store: