1. Login to your paypal account and choose the option "My Selling Tools" from the profile menu.
2. Click the update link for the section API ACCESS
3. Next click 'request api credentials'
4. Next page wll have the api user id, password, and signature, save these somewhere on your computer
5. Lastly go to your store settings (the page is storesetup.wws in your webstore)
6. Click the payment tab
7. On the payment tab change the gateway to paypal web payment pro signature gateway and copy and paste the id, password, and signature from step 4 above
8. Click save and you are done.
