First of all, log in to MyGSX at Gastronomixs.com. Next, go to the page with your account details. This is where you'll find your personal details, all the information on your membership (such as the expiry date) and where you can change your password. Next to the heading Your membership you'll see an orange button to upgrade to a pro account. When you click on it, you'll be taken directly to the payment process. You can pay easily and securely using PayPal or a credit card. Once your payment has been confirmed, your membership will be automatically renewed each month until it is cancelled.
Should you have any questions about this process, please use the contact form at the bottom of the website to send us a message and we'll send you a reply as soon as we can!