You can manage your support in the support details. You can find the link there either:
- In the confirmation email you'll receive right after making your donation
- In the email you'll receive as soon as the money is debited from your account
- To copy and save on the "Thank You for Your Support" page, immediately after you've completed your donation
Or in your Startnext account:
- Log in
- Click the account icon in the upper-right corner and open the account menu
- Click on supported projects
- Scroll down and click "Open Details" next to a support option.