To connect Paypal follow these steps:

1. Login at https://developer.paypal.com/developer/applications

2. Go to the My Apps & Credentials menu, select Live and choose Create App

3. Name your App something distinguishable and click Create App

4. From the My Apps & Credentials page click on the name of the new app you created, you’ll see a Client ID and Secret, copy the values of these in to the new connection page.