Software feature : 1. Prevent Access for demo transaction 2. Prevent Access for pending transaction 3. Check MD5 for security 4. Set temporary download for a certain days 5. automatically email temporary download for customer 6. record customer data to database 4. Developed for 2Checkout Vendor 5. Your files can be put out side www / public_html, so no one will be able to access via browser 6. Check refferer security 7. Develop using PHP and MySQL 8. Dynamic Creation of thank you pages, using a random string, guarantee very difficult to guess and remember 9. User friendly Admin Panel (manage your thank you pages via admin panel)