The license is valid for all Agelong Tree 5 versions (5.0, 5.1, etc) and is not limited in time. One license allows to activate Agelong Tree on one computer (in case of portable license – on one removable disk). We send activation codes and install instructions to the email address that you specified in your order. We accept credit cards, PayPal, check-prepayments and WebMoney. WAT may be added if applicable.