Easy peasy, the below button will take you to a payments page. Here you choose to pay with credit/debit, or Paypal. Once paid, it will show a big-blue circle and 'confirm £22.22' - your monthly sign-up. Then, click go back to merchant.
Next bit, the button below takes you to create your membership form, input your email address, full name and choose a password. Keep this info safe. You'll now receive an 'activation' message to your email address, with a link you click on.
Nearly there, the button below takes you to the online yoga sessions page & the account sign-in to class form. This is what you created in step 2. Using that same email & password, just input that and you are in! Every-time you wanna do a class, simply sign-in to your account