Before you start, this article explains some about it:
OK to sign up for an account so that you can get an appointment for a vaccine EVENTUALLY, start here:
Click on the link called “Not a user? Create a new Account here“
Put in your email address.
They then email you a link to verify your email address.
After that, you press the “Send verification code” button.
Then, they email you the verification code.
You enter the verification code.
Now you can set a password.
Now, you can log in with your email address (which is your username) and your password.
OK now you start filling out a bunch of forms. But you won’t be able to make an appointment unless you are in Group 1A.
If you can’t make an appointment, you will have to log out, but now you have an account on the vaccine website, so when your group comes up, you CAN make an appointment.