Log in to your Zoho Account, and use your account dropdown to select "My Account";
In the accounts column, select the option "Multi-Factor Authentication"";

A list of available MFA Modes will now show, in the section "Security Key" click "Set up Now";

The following window will now open, click
;

As this is a secure operation you will be asked to provide confirmation of your identity, click on "Click here";

A verification window will then open , enter your account password then click
;

Insert your Fido key then click
;

You will now be prompted to specify the device that is to be added as a passkey.
Select the option "Security key", then click
;

You are now notified that access to google will be prepared with your Fido2 security key - click
to proceed to the next step;

You will be asked to touch the button on your key (if your model has a fingerprint reader you may be asked to provide a finger swipe instead);

You will now be prompted to enter the PIN code for your Fido2 key.
At the prompt "Security Key PIN", enter the PIN code, then click
.
(in the case of a Fido key with a fingerprint reader you will need to swipe your finger on the key);

You are now prompted to touch the key (to prove you are present and giving permission for the key to be used).
Touch the necessary area on your Fido key;

Once you have touched the Fido2 Key will be added as a passkey authentication method to your Zoho account.

Click "OK", and you will be asked to provide a name for your security key;

You will also be offered the opportunity to generate new backup verification codes;

Click
, and you will be presented with 15 codes that can be kept and used as an emergency access method for your account';

Once the codes have been copied you will be shown confirmation that the Security key authentication method is available for use;
