Updating your payment information (PayPal or credit card) through Zwift is simple and easy!
First, log in to your account on our website at zwift.com:
Next, click on your User Profile and choose 'Settings:'
From there, choose 'Membership' on the left-hand menu.
And then click 'Update Details.'
Note: if you created your membership through Apple, you will need to update your payment information through iTunes instead. More information is on their support site.