Use Smart Card (PIV) as Default Login Method in Windows 10

In order to Use Smart Card (PIV) as Default Login Method in Windows 10, your account have to have system admin privilege and you have logged in using smart card before.

Go to Local group Policy Editor >> Administrative Templates >> System >> Logon 

Double click "Assign a default credential provider"

In the opening window, click "enable"

Flowing instructions in this window, locate the CLSID associated with smart card login at 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers

in my case is:

{8FD7E19C-3BF7-489B-A72C-846AB3678C96}

the value is "Smartcard Credential Provider" and it has some other values as well.