Create an account it is 100% free. After creating an account you will receive your username & password to access your Dashboard.
Note: Never use your Paypal Username & Password.
After logging to your dashboard you will receive some files which has to be uploaded on your server. These files will install and create the database and configure the script on your side.
Login to your PayPal Account and select the respective button and insert the filename.php (Filename will be available in your Dashboard) at the below mentioned place.
1. Select the Button and go to edit button
2. Select Customize Advance Feature option.
3. Check the box Take customer to a specific page (URL) after successful checkout:

Now check the dashboard and see what are the options available for you.
Was that not easy? Register Now!