jellyfin/Installation/MediaBrowser.Server.Installer.exe.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <appSettings>
    <add key="product" value="server" />
    <add key="class" value="Beta" />
  </appSettings>
  <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
    </startup>
</configuration>