If you purchased your subscription through SHOWTIME.com you can update your credit card information on the website:
- Visit SHOWTIME.com and sign in
- Use the profile icon in the upper right corner to navigate to Account Settings > Your Account
- Select ‘EDIT’ next to payment details
- Enter your password and click 'SUBMIT'
- Update your credit card information and select ‘SAVE’
If you purchased your SHOWTIME subscription through Amazon, Android, Apple or Roku, you will need to update your payment information directly through your billing partner.