title: How to find out whether a string is an AUMID for an installed UWP app?
body: <p>Is there a .Net library to use to test whether a string is an AUMID for an installed UWP app or not?</p>
  
  <p>An example, if the user enters </p>
  
  <pre><code>Microsoft.MicrosoftEdge_8wekyb3d8bbwe!MicrosoftEdge
  </code></pre>
  
  <p>How can I make sure that there actually is a UWP app with this AUMID installed?</p>