This part can be frustrating for a novice adopting security keys. The key works out of the box without PIN. If you didn't come across the right guidance, you al

This part can be frustrating for a novice adopting security keys. The key works out of the box without PIN. If you didn't come across the right guidance, you already enrolled keys without a PIN and now discover that you need to unenroll everywhere, set a PIN, and enroll again. And even with proper backup keys etc., it can be worrying whether you've forgotten some corner case and are about to lock yourself out somewhere by setting the PIN.