1. On n8n's main dashboard, go to the left sidebar and click 'Admin Panel'.
2. After that, click 'Upgrade Plan' to proceed.
3. Find the plan you prefer to activate, then click its corresponding 'Select Plan' button.
4. Confirm that the 'Email Address' and 'Country' are set correctly.
5. Once done, click 'Continue' to proceed.
6. Select your preferred payment method and provide all the necessary details. Enter them one by one into their respective input fields.
7. Finally, click 'Subscribe Now'. Once the new plan has been activated, your n8n free trial will be cancelled automatically.