title: install a downloaded vsix extension in Visual Studio code fro windows for all users
body: <p>I am trying to find out how i can install a downloaded vsix extension into Visual Studio code so that the extension is available for all users of that Windows machine.</p>
  <p>i see answers on how to install extensions for current user here:
  <a href="https://stackoverflow.com/q/34286515/559144">How to install Visual Studio Code extensions from Command line</a></p>
  <p>but I need something working for all users on the machine.</p>