
Click Generate, to generate a new secret.

Select Challenge-response and click Next.Under Long Touch (Slot 2)click Configure.Insert your YubiKey to an available USB port on your Mac.You will need software to set up YubiKey Manager. Click Closeto exit the installation wizard.When prompted, enter your password or use Touch ID to confirm the installation.If you do not enable FDE, it is possible to reboot the Mac into recovery mode and disable the 2FA requirement. Note: Enabling full disk encryption (FDE) with FileVault is highly recommended when using the macOS Login Tool. The macOS Login Tool allows for secure two-factor authentication on Macs using the HMAC-SHA1 challenge-response feature of the YubiKey.

YubiKey 5 NFC, YubiKey 5 Nano, YubiKey 5C, YubiKey 5C Nano, YubiKey NEO, YubiKey 4, YubiKey 4 Nano, YubiKey 4, YubiKey 4C Nano.

