In the sidebar menu, click Top Up Minutes.
Select the package that you want to purchase by clicking the + button. You can only purchase one package at a time. Click Next.
Enter your card details and click Next.
Enter your phone number and click Next.
Enter your billing address and click Next.
Tick the box to agree to the Terms and Conditions. Click Review and Submit.
Review your selected package and payment details. To edit the information, hover your mouse over the number and an 'Edit' link will appear. Click Submit.