If you have any question in your mind related to php invoice script installation, features, hardware & server requirement - You can get all from Faq.
“This script is easy to use, and customer support is phenomenal. The questions that I had were promptly answered, and this guy actually explained things to me and assisted me with things that I didn’t understand. That’s unknown in the customer service world today! So far, the script is easy to use, and I will have my website up and running in a matter of days!
Gierra Micheal, Canada