AVLock SIMPLE Free 5.1.3 is regarded as a convenient as well as simple to use tool which lets you generate configuration code and then insert it into the code of the applications. Now with support for the PayPal IPN service with two examples to explain how to integrate PayPal IPN with your application.

This is quite simple and suitable for the user, this allow you to put a [Pay Now] button into your application, then when the user click this button, is redirected to the PayPal site in order to make the payment, when completed the user click the button [Activate] in order to activate the application according with the payment made. Your users will not need to deal with InstallCodes or Keys, they simply clicks the [Pay Now] button, performs the Payment and clicks the [Activate] button.

Major Features:

1. Allow to achieve the licensing operations offline through registration keys.
2. Allow to provide licenses to be shared between a limited number of users and manage the process through internet using the OLM.
3. Allow to manage the number of concurrent instances of your application.
4. Through the registration works AVLock SIMPLE attach your application to the computer using some numbers coming from several sources of the machine (from the BIOS, from the CPU, from the hard disk, from the network card, etc.), called the InstallCodeSources. Based in these numbers is calculated the InstallCode and based in the Installcode finally is calculated the registration key to register the application. So your application is attached to only one machine and will not work on other computers.
5. While the trial period allow to detect when an user get back the system date, perhaps with the purpose to stay using your application after expiration, so you will be able to stop the program when that occurs.

Requirements:

• Delphi 5,6,7,2005,2006,2007,2009, 2010, XE.