

Select Place all certificates in the following store, then select Browse.If the installer asks you if you want to allow the app to make changes to your device, select Yes.When the installer opens, select local machine as your storage location, then select Next.When the digital signature details window appears, select the General tab, then select View Certificate, then select Install certificate.Select that item to highlight the item, then select Details. There should be only one item in the list on the tab.

In the window that appears, select the Digital signatures tab.Right-click the package and select Properties.If your app uses a certificate that isn't public-trusted or was self-signed, here's how to install it: You must install certificates on all session hosts in the host pool that will host the apps from your MSIX app attach packages. This topic will walk you through how to set up PowerShell scripts for MSIX app attach.
