If the website you are logging into has in-browser login enabled, you can register by the following process:
Select the 'Browser' option, enter your email address and click on 'Create Identity':
Once you have received the verification email and followed the verification link, click on 'Confirm'
Now enter your desired PIN:
You will be asked to re-enter your desired PIN to confirm:
Once registered, you will be automatically logged into the application.