1. Using Key9 "registration" to register a new Yubikey PIN.

1. Login to your Key9 site and navigate to "My Profile" and then "Register New Passkey".

Register New Passkey

1. If you want to register a Passkey on your Yubikey device, then give it a name that you can recognize later. If the purpose is to only PIN protect your Yubikey, the device name is not important.

Register New Passkey

1. Once you hit "Continue", you'll be presented with a screen asking "where" to store the "Passkey". You will want to select "Use a different phone, tablet, or security key"

Select where to store the passkey.

1. You will be presented with a QR code. At this point, key press your Yubikey.

Press your Yubikey now.

1. At this point, if your device is not PIN protected, you will be prompted to assign a PIN.

Assign a PIN.