1. Login to the Windows machine.

  2. Navigate to Sign-in options.

  3. Click Security Key. Once expanded, click Manage.

  4. When prompted, touch the YubiKey and enter in the PIN.

  5. Select Change to change the PIN on the YubiKey.

  6. In the Change your security key PIN window, provide the current PIN, the new PIN, and confirm the new PIN again. Click OK.

  7. The PIN is now changed.