<PackageReference Include="System.Windows.Extensions" Version="10.0.2" />

System.Security.Cryptography.X509Certificates.X509Certificate2UI

public sealed class X509Certificate2UI
Displays user interface dialogs that allow you to select and view X.509 certificates. This class cannot be inherited.
namespace System.Security.Cryptography.X509Certificates { public sealed class X509Certificate2UI { public X509Certificate2UI(); public static void DisplayCertificate(X509Certificate2 certificate); public static void DisplayCertificate(X509Certificate2 certificate, IntPtr hwndParent); public static X509Certificate2Collection SelectFromCollection(X509Certificate2Collection certificates, string title, string message, X509SelectionFlag selectionFlag); public static X509Certificate2Collection SelectFromCollection(X509Certificate2Collection certificates, string title, string message, X509SelectionFlag selectionFlag, IntPtr hwndParent); } }