Showing tag results for Architecture

May 19, 2026
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Package Identity

Howard Kapustein

An MSIX package identity is composed of a five-part tuple that uniquely identifies a package. It consists of the following attributes: Together, these fields form the canonical identity of a package. Programmatically, this identity can be represented using APIs such as Windows.ApplicationModel.PackageId or the PACKAGE_ID structure. Why Pa...

May 4, 2026
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There is no Install – it’s ‘Stage’ and ‘Register’

Howard Kapustein

"Is ContosoParts.msix installed?" is a common - but misleading - question The term install is not a formal concept in MSIX. This may seem paradoxical for a deployment technology, but it makes perfect sense once you understand MSIX deployment’s core architecture. Deployment Requests A caller makes a deployment request to the deployment engine vi...