Athena will set you up with a profile in their system, and you will receive an invite on email:

When you click on the 'here' link in your invite email, you will be asked to finalise the login credentials. First, you need to set your password. (Your login will be your email address):

Once you have entered and confirmed your password, you will be directed back to the login screen to login with your email and password:

For added security, Athena has two-factor authentication enabled on their e-lodgement. The final step for setting up your credentials is to enable 2FA on your profile. If you don't already have one on your smart phone, you will need to download an Authenticator app such as Google Authenticator, Authy, or Microsoft Authenticator. When you are ready with an Authenticator App on your smart phone, click "generate key":

This will present to you a QR Code on screen:

On your authenticator app, select 'add' to add a new account and to scan the QR Code:

The Authenticator App will give you a code to enter in as the verify key:

Your 2FA will now be setup. Proceed to login properly:

You will asked once more to enter your details:

And add an Verification Key from your Authenticator App:

And then you are ready to go to login and manage applications to Athena: