PayPal is a little bit complicated to set up, but luckily we have all of your instructions here.

Step 1: Select Tools > Business Setup

Step 2: Select “Get paid on your website”

Step 3: Select “Process all payments including credit, and Visa Debit cards through PayPal”, and hit “Continue”

Step 4: Select “Set Up API Credentials”

Step 5: Click “manage PayPal checkout settings” to ensure that you can accept payments from online stores.

Step 6: Make sure “Accept PayPal payments before API permissions or credentials are set up” and click the submit button

Step 7: Choose NVP/SOAP API integration (Classic), and click the button that says “Manage API Credentials”

Step 8: Choose “Request API Signature” and click “Agree and Submit”

Step 9: Click show on the API Username, API Password, and Signature, and copy these values into the Manage Comics store settings screen (shown below).

Once you have the credentials, click “Done”

Step 10: In the Manage Comics store settings screen, enter your Paypal API Username, Paypal API Password, and Paypal Signature.