To add a payment method to LearnPress, you will need to connect either your stripe or paypal account.
First click on LearnPress in the admin menu then click on Settings.
Then click on payments
Payment Instructions for Stripe
You will need to add your Stripe secret and Publishable key in these fields and make sure the enabled box is checked.
When you login to Stripe, click API Keys under the Developers tab on the left admin menu.
Payment Instructions for Paypal
For Paypal you will simply need to add your paypal email address.